# List of Minor League Baseball leagues and teams

There are 14Minor League Baseball (MiLB) leagues and 206 teams in operation across the United States, Dominican Republic, and Canada, which are affiliated with Major League Baseball (MLB) teams. They are organized by one of five classes (from highest to lowest): Triple-A, Double-A, High-A, Single-A, and Rookie. Of these, 120 teams in 11 leagues (from Triple-A to Single-A) are each affiliated with one MLB team through a standardized professional development license. Additionally, three leagues consisting of a total of 85 Rookie teams are located at MLB spring training complexes in Arizona and Florida, as well as in the Dominican Republic. These affiliated leagues contest their seasons during the MLB season.
The Arizona Fall League, consisting of six teams, operates in the autumn after the conclusion of the MiLB and MLB seasons to develop top prospects at various classifications.
Seven independent baseball leagues, consisting of a total of 69 teams, have no direct affiliation with Major League Baseball, though the American Association, Atlantic League, Frontier League, and Pioneer League are designated MLB Partner Leagues.

## Leagues affiliated with Major League Baseball
### Triple-A leagues

The Triple-A classification is the highest level of play in Minor League Baseball, just below Major League Baseball. A total of 30 affiliated teams compete at this level, with 20 teams in the International League and 10 teams in the Pacific Coast League.

#### International League

Overview of International League teams :
| Team | Division | City | State | Stadium | Capacity | Affiliate |
| Buffalo Bisons | East | Buffalo | New York | Sahlen Field | 16,600 | Toronto Blue Jays |
| Charlotte Knights | East | Charlotte | North Carolina | Truist Field | 10,200 | Chicago White Sox |
| Columbus Clippers | West | Columbus | Ohio | Huntington Park | 10,100 | Cleveland Guardians |
| Durham Bulls | East | Durham | North Carolina | Durham Bulls Athletic Park | 10,000 | Tampa Bay Rays |
| Gwinnett Stripers | West | Lawrenceville | Georgia | Coolray Field | 10,427 | Atlanta Braves |
| Indianapolis Indians | West | Indianapolis | Indiana | Victory Field | 14,230 | Pittsburgh Pirates |
| Iowa Cubs | West | Des Moines | Iowa | Principal Park | 11,500 | Chicago Cubs |
| Jacksonville Jumbo Shrimp | East | Jacksonville | Florida | VyStar Ballpark | 11,000 | Miami Marlins |
| Lehigh Valley IronPigs | East | Allentown | Pennsylvania | Coca-Cola Park | 10,100 | Philadelphia Phillies |
| Louisville Bats | West | Louisville | Kentucky | Louisville Slugger Field | 13,131 | Cincinnati Reds |
| Memphis Redbirds | West | Memphis | Tennessee | AutoZone Park | 10,000 | St. Louis Cardinals |
| Nashville Sounds | West | Nashville | Tennessee | First Horizon Park | 10,000 | Milwaukee Brewers |
| Norfolk Tides | East | Norfolk | Virginia | Harbor Park | 11,856 | Baltimore Orioles |
| Omaha Storm Chasers | West | Papillion | Nebraska | Werner Park | 9,023 | Kansas City Royals |
| Rochester Red Wings | East | Rochester | New York | Innovative Field | 10,840 | Washington Nationals |
| Scranton/Wilkes-Barre RailRiders | East | Moosic | Pennsylvania | PNC Field | 10,000 | New York Yankees |
| St. Paul Saints | West | Saint Paul | Minnesota | CHS Field | 7,210 | Minnesota Twins |
| Syracuse Mets | East | Syracuse | New York | NBT Bank Stadium | 11,731 | New York Mets |
| Toledo Mud Hens | West | Toledo | Ohio | Fifth Third Field | 10,300 | Detroit Tigers |
| Worcester Red Sox | East | Worcester | Massachusetts | Polar Park | 9,508 | Boston Red Sox |

#### Pacific Coast League

Overview of Pacific Coast League teams :
| Team | Division | City | State | Stadium | Capacity | Affiliate |
| Albuquerque Isotopes | East | Albuquerque | New Mexico | Rio Grande Credit Union Field at Isotopes Park | 13,500 | Colorado Rockies |
| El Paso Chihuahuas | East | El Paso | Texas | Southwest University Park | 9,500 | San Diego Padres |
| Las Vegas Aviators | West | Las Vegas | Nevada | Las Vegas Ballpark | 10,000 | Oakland Athletics |
| Oklahoma City Comets | East | Oklahoma City | Oklahoma | Chickasaw Bricktown Ballpark | 9,000 | Los Angeles Dodgers |
| Reno Aces | West | Reno | Nevada | Greater Nevada Field | 9,013 | Arizona Diamondbacks |
| Round Rock Express | East | Round Rock | Texas | Dell Diamond | 11,631 | Texas Rangers |
| Sacramento River Cats | West | West Sacramento | California | Sutter Health Park | 14,014 | San Francisco Giants |
| Salt Lake Bees | West | South Jordan | Utah | The Ballpark at America First Square | 8,500 | Los Angeles Angels |
| Sugar Land Space Cowboys | East | Sugar Land | Texas | Constellation Field | 7,500 | Houston Astros |
| Tacoma Rainiers | West | Tacoma | Washington | Cheney Stadium | 6,500 | Seattle Mariners |

### Double-A leagues

The Double-A classification is the second-highest level of play in Minor League Baseball. A total of 30 teams compete at this level, with 12 teams in the Eastern League, 8 teams in the Southern League, and 10 teams in the Texas League.

#### Eastern League

Overview of Eastern League teams :
| Team | Division | City | State | Stadium | Capacity | Affiliate |
| Akron RubberDucks | Southwest | Akron | Ohio | Canal Park | 9,097 | Cleveland Guardians |
| Altoona Curve | Southwest | Altoona | Pennsylvania | Peoples Natural Gas Field | 7,210 | Pittsburgh Pirates |
| Binghamton Rumble Ponies | Northeast | Binghamton | New York | Mirabito Stadium | 6,012 | New York Mets |
| Chesapeake Baysox | Southwest | Bowie | Maryland | Prince George's Stadium | 10,000 | Baltimore Orioles |
| Erie SeaWolves | Southwest | Erie | Pennsylvania | UPMC Park | 6,952 | Detroit Tigers |
| Harrisburg Senators | Southwest | Harrisburg | Pennsylvania | FNB Field | 6,187 | Washington Nationals |
| Hartford Yard Goats | Northeast | Hartford | Connecticut | Dunkin' Park | 6,000 | Colorado Rockies |
| New Hampshire Fisher Cats | Northeast | Manchester | New Hampshire | Delta Dental Stadium | 6,500 | Toronto Blue Jays |
| Portland Sea Dogs | Northeast | Portland | Maine | Hadlock Field | 7,368 | Boston Red Sox |
| Reading Fightin Phils | Northeast | Reading | Pennsylvania | FirstEnergy Stadium | 9,000 | Philadelphia Phillies |
| Richmond Flying Squirrels | Southwest | Richmond | Virginia | The Diamond | 9,560 | San Francisco Giants |
| Somerset Patriots | Northeast | Bridgewater | New Jersey | TD Bank Ballpark | 6,100 | New York Yankees |

#### Southern League

Overview of Southern League teams :
| Team | Division | City | State | Stadium | Capacity | Affiliate |
| Biloxi Shuckers | South | Biloxi | Mississippi | Keesler Federal Park | 6,000 | Milwaukee Brewers |
| Birmingham Barons | North | Birmingham | Alabama | Regions Field | 8,500 | Chicago White Sox |
| Chattanooga Lookouts | North | Chattanooga | Tennessee | AT&T Field | 6,340 | Cincinnati Reds |
| Columbus Clingstones | South | Columbus | Georgia | Synovus Park | 5,500 | Atlanta Braves |
| Knoxville Smokies | North | Knoxville | Tennessee | Covenant Health Park | 7,500 | Chicago Cubs |
| Montgomery Biscuits | South | Montgomery | Alabama | Montgomery Riverwalk Stadium | 7,000 | Tampa Bay Rays |
| Pensacola Blue Wahoos | South | Pensacola | Florida | Admiral Fetterman Field | 5,038 | Miami Marlins |
| Rocket City Trash Pandas | North | Madison | Alabama | Toyota Field | 7,000 | Los Angeles Angels |

#### Texas League

Overview of Texas League teams :
| Team | Division | City | State | Stadium | Capacity | Affiliate |
| Amarillo Sod Poodles | South | Amarillo | Texas | Hodgetown | 6,631 | Arizona Diamondbacks |
| Arkansas Travelers | North | North Little Rock | Arkansas | Dickey–Stephens Park | 5,800 | Seattle Mariners |
| Corpus Christi Hooks | South | Corpus Christi | Texas | Whataburger Field | 7,679 | Houston Astros |
| Frisco RoughRiders | South | Frisco | Texas | Riders Field | 10,316 | Texas Rangers |
| Midland RockHounds | South | Midland | Texas | Momentum Bank Ballpark | 6,669 | Oakland Athletics |
| Northwest Arkansas Naturals | North | Springdale | Arkansas | Arvest Ballpark | 7,305 | Kansas City Royals |
| San Antonio Missions | South | San Antonio | Texas | Nelson W. Wolff Municipal Stadium | 9,200 | San Diego Padres |
| Springfield Cardinals | North | Springfield | Missouri | Hammons Field | 10,486 | St. Louis Cardinals |
| Tulsa Drillers | North | Tulsa | Oklahoma | ONEOK Field | 7,833 | Los Angeles Dodgers |
| Wichita Wind Surge | North | Wichita | Kansas | Equity Bank Park | 10,000 | Minnesota Twins |

### High-A leagues

High-A is the third-highest level of play in Minor League Baseball. A total of 30 teams compete at this level, with 12 teams in the Midwest League, 12 teams in the South Atlantic League, and 6 teams in the Northwest League.

#### Midwest League

Overview of Midwest League teams :
| Team | Division | City | State | Stadium | Capacity | Affiliate |
| Beloit Sky Carp | West | Beloit | Wisconsin | ABC Supply Stadium | 3,501 | Miami Marlins |
| Cedar Rapids Kernels | West | Cedar Rapids | Iowa | Veterans Memorial Stadium | 5,300 | Minnesota Twins |
| Dayton Dragons | East | Dayton | Ohio | Day Air Ballpark | 7,230 | Cincinnati Reds |
| Fort Wayne TinCaps | East | Fort Wayne | Indiana | Parkview Field | 6,516 | San Diego Padres |
| Great Lakes Loons | East | Midland | Michigan | Dow Diamond | 5,500 | Los Angeles Dodgers |
| Lake County Captains | East | Eastlake | Ohio | Classic Auto Group Park | 7,273 | Cleveland Guardians |
| Lansing Lugnuts | East | Lansing | Michigan | Jackson Field | 7,527 | Oakland Athletics |
| Peoria Chiefs | West | Peoria | Illinois | Dozer Park | 7,500 | St. Louis Cardinals |
| Quad Cities River Bandits | West | Davenport | Iowa | Modern Woodmen Park | 4,024 | Kansas City Royals |
| South Bend Cubs | West | South Bend | Indiana | Four Winds Field at Coveleski Stadium | 5,000 | Chicago Cubs |
| West Michigan Whitecaps | East | Comstock Park | Michigan | LMCU Ballpark | 9,684 | Detroit Tigers |
| Wisconsin Timber Rattlers | West | Appleton | Wisconsin | Neuroscience Group Field at Fox Cities Stadium | 5,900 | Milwaukee Brewers |

#### South Atlantic League

Overview of South Atlantic League teams :
| Team | Division | City | State | Stadium | Capacity | Affiliate |
| Aberdeen IronBirds | North | Aberdeen | Maryland | Leidos Field at Ripken Stadium | 6,300 | Baltimore Orioles |
| Asheville Tourists | South | Asheville | North Carolina | McCormick Field | 4,000 | Houston Astros |
| Bowling Green Hot Rods | South | Bowling Green | Kentucky | Bowling Green Ballpark | 4,559 | Tampa Bay Rays |
| Brooklyn Cyclones | North | Brooklyn | New York | Maimonides Park | 7,000 | New York Mets |
| Greensboro Grasshoppers | South | Greensboro | North Carolina | First National Bank Field | 7,499 | Pittsburgh Pirates |
| Greenville Drive | South | Greenville | South Carolina | Fluor Field at the West End | 5,700 | Boston Red Sox |
| Hub City Spartanburgers | South | Spartanburg | South Carolina | Fifth Third Park | 5,000 | Texas Rangers |
| Hudson Valley Renegades | North | Wappingers Falls | New York | Heritage Financial Park | 4,494 | New York Yankees |
| Jersey Shore BlueClaws | North | Lakewood | New Jersey | ShoreTown Ballpark | 6,588 | Philadelphia Phillies |
| Rome Emperors | South | Rome | Georgia | AdventHealth Stadium | 5,105 | Atlanta Braves |
| Wilmington Blue Rocks | North | Wilmington | Delaware | Daniel S. Frawley Stadium | 6,532 | Washington Nationals |
| Winston-Salem Dash | South | Winston-Salem | North Carolina | Truist Stadium | 5,500 | Chicago White Sox |

#### Northwest League

Overview of Northwest League teams :
| Team | City | State/Province | Stadium | Capacity | Affiliate |
| Eugene Emeralds | Eugene | Oregon | PK Park | 4,000 | San Francisco Giants |
| Everett AquaSox | Everett | Washington | Funko Field | 3,682 | Seattle Mariners |
| Hillsboro Hops | Hillsboro | Oregon | Hillsboro Ballpark | 4,500 | Arizona Diamondbacks |
| Spokane Indians | Spokane | Washington | Avista Stadium | 6,803 | Colorado Rockies |
| Tri-City Dust Devils | Pasco | Washington | Gesa Stadium | 3,654 | Los Angeles Angels |
| Vancouver Canadians | Vancouver | British Columbia | Rogers Field at Nat Bailey Stadium | 6,013 | Toronto Blue Jays |

### Single-A leagues

Single-A is the fourth-highest level of play in Minor League Baseball. A total of 30 teams compete at this level, with 12 teams in the Carolina League, 10 teams in the Florida State League, and 8 teams in the California League.

#### Carolina League

Overview of Carolina League teams :
| Team | Division | City | State | Stadium | Capacity | Affiliate |
| Augusta GreenJackets | South | North Augusta | South Carolina | SRP Park | 4,000 | Atlanta Braves |
| Carolina Mudcats | North | Zebulon | North Carolina | Five County Stadium | 6,500 | Milwaukee Brewers |
| Charleston RiverDogs | South | Charleston | South Carolina | Joseph P. Riley Jr. Park | 6,000 | Tampa Bay Rays |
| Columbia Fireflies | South | Columbia | South Carolina | Segra Park | 7,501 | Kansas City Royals |
| Delmarva Shorebirds | North | Salisbury | Maryland | Arthur W. Perdue Stadium | 5,200 | Baltimore Orioles |
| Fayetteville Woodpeckers | North | Fayetteville | North Carolina | Segra Stadium | 4,786 | Houston Astros |
| Fredericksburg Nationals | North | Fredericksburg | Virginia | Virginia Credit Union Stadium | 5,000 | Washington Nationals |
| Hickory Crawdads | South | Hickory | North Carolina | L. P. Frans Stadium | 5,062 | Texas Rangers |
| Kannapolis Cannon Ballers | South | Kannapolis | North Carolina | Atrium Health Ballpark | 4,930 | Chicago White Sox |
| Lynchburg Hillcats | North | Lynchburg | Virginia | Bank of the James Stadium | 4,000 | Cleveland Guardians |
| Myrtle Beach Pelicans | South | Myrtle Beach | South Carolina | Pelicans Ballpark | 4,875 | Chicago Cubs |
| Salem Red Sox | North | Salem | Virginia | Carilion Clinic Field at Salem Memorial Ballpark | 6,300 | Boston Red Sox |

#### Florida State League

Overview of Florida State League teams :
| Team | Division | City (all in Florida) | Stadium | Capacity | Affiliate |
| Bradenton Marauders | West | Bradenton | LECOM Park | 8,500 | Pittsburgh Pirates |
| Clearwater Threshers | West | Clearwater | BayCare Ballpark | 8,500 | Philadelphia Phillies |
| Daytona Tortugas | East | Daytona Beach | Jackie Robinson Ballpark | 4,200 | Cincinnati Reds |
| Dunedin Blue Jays | West | Dunedin | TD Ballpark | 5,509 | Toronto Blue Jays |
| Fort Myers Mighty Mussels | West | Fort Myers | Hammond Stadium | 7,500 | Minnesota Twins |
| Jupiter Hammerheads | East | Jupiter | Roger Dean Chevrolet Stadium | 6,871 | Miami Marlins |
| Lakeland Flying Tigers | West | Lakeland | Publix Field at Joker Marchant Stadium | 8,500 | Detroit Tigers |
| Palm Beach Cardinals | East | Jupiter | Roger Dean Chevrolet Stadium | 6,871 | St. Louis Cardinals |
| St. Lucie Mets | East | Port St. Lucie | Clover Park | 7,347 | New York Mets |
| Tampa Tarpons | West | Tampa | George M. Steinbrenner Field | 11,026 | New York Yankees |

#### California League

Overview of California League teams :
| Team | Division | City (all in California) | Stadium | Capacity | Affiliate |
| Fresno Grizzlies | North | Fresno | Chukchansi Park | 10,650 | Colorado Rockies |
| Inland Empire 66ers | South | San Bernardino | San Manuel Stadium | 5,000 | Los Angeles Angels |
| Lake Elsinore Storm | South | Lake Elsinore | Lake Elsinore Diamond | 7,866 | San Diego Padres |
| Modesto Nuts | North | Modesto | John Thurman Field | 4,000 | Seattle Mariners |
| Rancho Cucamonga Quakes | South | Rancho Cucamonga | LoanMart Field | 6,200 | Los Angeles Dodgers |
| San Jose Giants | North | San Jose | Excite Ballpark | 4,200 | San Francisco Giants |
| Stockton Ports | North | Stockton | Banner Island Ballpark | 5,300 | Oakland Athletics |
| Visalia Rawhide | South | Visalia | Valley Strong Ballpark | 2,468 | Arizona Diamondbacks |

### Rookie leagues

The Rookie classification is the lowest level of play in Minor League Baseball. A total of 85 teams compete at this level, with 18 teams in the Arizona Complex League, 20 teams in the Florida Complex League, and 47 teams in the Dominican Summer League.

#### Arizona Complex League

Overview of Arizona Complex League teams :
| Team | City (all in Arizona) | Stadium | Affiliate |
| ACL Angels | Tempe | Tempe Diablo Stadium | Los Angeles Angels |
| ACL Athletics | Mesa | Fitch Park | Oakland Athletics |
| ACL Brewers | Phoenix | American Family Fields of Phoenix | Milwaukee Brewers |
| ACL Cubs | Mesa | Sloan Park | Chicago Cubs |
| ACL D-backs | Scottsdale | Salt River Fields at Talking Stick | Arizona Diamondbacks |
| ACL Dodgers | Glendale | Camelback Ranch | Los Angeles Dodgers |
| ACL Giants | Scottsdale | Scottsdale Stadium | San Francisco Giants |
| ACL Guardians | Goodyear | Goodyear Ballpark | Cleveland Guardians |
| ACL Mariners | Peoria | Peoria Sports Complex | Seattle Mariners |
| ACL Padres | Peoria | Peoria Sports Complex | San Diego Padres |
| ACL Rangers | Surprise | Surprise Stadium | Texas Rangers |
| ACL Reds | Goodyear | Goodyear Ballpark | Cincinnati Reds |
| ACL Rockies | Scottsdale | Salt River Fields at Talking Stick | Colorado Rockies |
| ACL Royals | Surprise | Surprise Stadium | Kansas City Royals |
| ACL White Sox | Glendale | Camelback Ranch | Chicago White Sox |

#### Florida Complex League

Overview of Florida Complex League teams :
| Team | City (all in Florida) | Stadium | Affiliate |
| FCL Astros | West Palm Beach | Cacti Park of the Palm Beaches | Houston Astros |
| FCL Blue Jays | Dunedin | Bobby Mattick Training Center | Toronto Blue Jays |
| FCL Braves | North Port | CoolToday Park | Atlanta Braves |
| FCL Cardinals | Jupiter | Roger Dean Chevrolet Stadium | St. Louis Cardinals |
| FCL Marlins | Jupiter | Roger Dean Chevrolet Stadium | Miami Marlins |
| FCL Mets | Port St. Lucie | Clover Park | New York Mets |
| FCL Nationals | West Palm Beach | Cacti Park of the Palm Beaches | Washington Nationals |
| FCL Orioles | Sarasota | Ed Smith Stadium | Baltimore Orioles |
| FCL Phillies | Clearwater | Carpenter Complex | Philadelphia Phillies |
| FCL Pirates | Bradenton | Pirate City | Pittsburgh Pirates |
| FCL Rays | Port Charlotte | Charlotte Sports Park | Tampa Bay Rays |
| FCL Red Sox | Fort Myers | JetBlue Park at Fenway South | Boston Red Sox |
| FCL Tigers | Lakeland | Tigertown | Detroit Tigers |
| FCL Twins | Fort Myers | Lee County Sports Complex | Minnesota Twins |
| FCL Yankees | Tampa | Himes Complex | New York Yankees |

#### Dominican Summer League

Overview of Dominican Summer League teams :
| Team | Division | City | Province | Stadium | Affiliate |
| DSL Angels | Boca Chica South | San Pedro de Macorís | San Pedro de Macorís | Baseball Valley Complex | Los Angeles Angels |
| DSL Astros | Boca Chica Northwest | San Antonio de Guerra | Santo Domingo | Houston Astros Complex | Houston Astros |
| DSL Athletics | Boca Chica Northwest | Santo Domingo Norte | Santo Domingo | Juan Marichal Complex | Oakland Athletics |
| DSL Blue Jays | Boca Chica Baseball City | San Pedro de Macorís | San Pedro de Macorís | Baseball City Complex | Toronto Blue Jays |
| DSL Braves | Boca Chica Northwest | San Pedro de Macorís | San Pedro de Macorís | Corcova de Guerra Complex | Atlanta Braves |
| DSL Brewers | Boca Chica San Pedro de Macorís | San Pedro de Macorís | San Pedro de Macorís | Tower Complex | Milwaukee Brewers |
| DSL Cardinals Blue | Boca Chica South | Santo Domingo Norte | Santo Domingo | Baseball Oasis Complex | St. Louis Cardinals |
| DSL Cardinals Red | Boca Chica San Pedro de Macorís | Santo Domingo Norte | Santo Domingo | Baseball Oasis Complex | St. Louis Cardinals |
| DSL Rockies | Boca Chica Northeast | Boca Chica | Santo Domingo | Colorado Rockies Complex | Colorado Rockies |
| DSL Cubs Blue | Boca Chica North | Boca Chica | Santo Domingo | Chicago Cubs Complex | Chicago Cubs |
| DSL Cubs Red | Boca Chica San Pedro de Macorís | Boca Chica | Santo Domingo | Chicago Cubs Complex | Chicago Cubs |
| DSL Diamondbacks 1 | Boca Chica Baseball City | Boca Chica | Santo Domingo | Baseball City Complex | Arizona Diamondbacks |
| DSL Diamondbacks 2 | Boca Chica San Pedro de Macorís | Boca Chica | Santo Domingo | Baseball City Complex | Arizona Diamondbacks |
| DSL Dodgers Bautista | Boca Chica Northwest | San Antonio de Guerra | Santo Domingo | Las Américas Complex | Los Angeles Dodgers |
| DSL Dodgers Shoemaker | Boca Chica North | San Antonio de Guerra | Santo Domingo | Las Palmas Complex | Los Angeles Dodgers |
| DSL Giants 1 | Boca Chica Northeast | Boca Chica | Santo Domingo | Felipe Rojas Alou Complex | San Francisco Giants |
| DSL Giants 2 | | Boca Chica | Santo Domingo | Felipe Rojas Alou Complex | San Francisco Giants |
| DSL Guardians 1 | Boca Chica North | San Antonio de Guerra | Santo Domingo | Cleveland Guardians Complex | Cleveland Guardians |
| DSL Guardians 2 | | San Antonio de Guerra | Santo Domingo | Cleveland Guardians Complex | Cleveland Guardians |
| DSL Mariners | Boca Chica Northeast | San Antonio de Guerra | Santo Domingo | Seattle Mariners Complex | Seattle Mariners |
| DSL Marlins | Boca Chica Northwest | Boca Chica | Santo Domingo | Miami Marlins Complex | Miami Marlins |
| DSL Mets 1 | Boca Chica South | Boca Chica | Santo Domingo | New York Mets Complex | New York Mets |
| DSL Mets 2 | Boca Chica San Pedro de Macorís | Boca Chica | Santo Domingo | New York Mets Complex | New York Mets |
| DSL Nationals | Boca Chica South | Boca Chica | Santo Domingo | Baseball Valley Complex | Washington Nationals |
| DSL Orioles 1 | Boca Chica Baseball City | Boca Chica | Santo Domingo | Baseball City Complex | Baltimore Orioles |
| DSL Orioles 2 | | Boca Chica | Santo Domingo | Baseball City Complex | Baltimore Orioles |
| DSL Padres | Boca Chica Baseball City | San Cristóbal | San Cristóbal | Najayo Complex | San Diego Padres |
| DSL Phillies Red | Boca Chica South | Boca Chica | Santo Domingo | Philadelphia Phillies Academy | Philadelphia Phillies |
| DSL Phillies White | Boca Chica San Pedro de Macorís | Boca Chica | Santo Domingo | Philadelphia Phillies Academy | Philadelphia Phillies |
| DSL Pirates 1 | Boca Chica North | El Toro | Peravia | Pittsburgh Pirates Complex | Pittsburgh Pirates |
| DSL Pirates 2 | Boca Chica Northeast | El Toro | Peravia | Pittsburgh Pirates Complex | Pittsburgh Pirates |
| DSL Rangers 1 | Boca Chica North | Boca Chica | Santo Domingo | Academia de Prospecto Complex | Texas Rangers |
| DSL Rangers 2 | Boca Chica San Pedro de Macorís | Boca Chica | Santo Domingo | Academia de Prospecto Complex | Texas Rangers |
| DSL Rays 1 | Boca Chica Northwest | San Antonio de Guerra | Santo Domingo | Tampa Bay Rays Complex | Tampa Bay Rays |
| DSL Rays 2 | Boca Chica North | San Antonio de Guerra | Santo Domingo | Tampa Bay Rays Complex | Tampa Bay Rays |
| DSL Reds | Boca Chica Baseball City | Boca Chica | Santo Domingo | Baseball City Complex | Cincinnati Reds |
| DSL Red Sox Blue | Boca Chica Northwest | El Toro | Peravia | El Toro Complex | Boston Red Sox |
| DSL Red Sox Red | Boca Chica North | El Toro | Peravia | El Toro Complex | Boston Red Sox |
| DSL Rockies | Boca Chica South | Boca Chica | Santo Domingo | Colorado Rockies Complex | Colorado Rockies |
| DSL Royals 1 | Boca Chica Northwest | San Antonio de Guerra | Santo Domingo | Kansas City Royals Complex | Kansas City Royals |
| DSL Royals 2 | Boca Chica Northeast | San Antonio de Guerra | Santo Domingo | Kansas City Royals Complex | Kansas City Royals |
| DSL Tigers 1 | Boca Chica San Pedro de Macorís | San Pedro de Macorís | San Pedro de Macorís | Tower Complex | Detroit Tigers |
| DSL Tigers 2 | Boca Chica Northeast | San Pedro de Macorís | San Pedro de Macorís | Tower Complex | Detroit Tigers |
| DSL Twins | Boca Chica South | Boca Chica | Santo Domingo | Minnesota Twins Academy | Minnesota Twins |
| DSL White Sox | Boca Chica Baseball City | Boca Chica | Santo Domingo | Baseball City Complex | Chicago White Sox |
| DSL Yankees | Boca Chica South | Boca Chica | Santo Domingo | New York Yankees Complex | New York Yankees |

### Fall leagues
#### Arizona Fall League

The Arizona Fall League, an off-season league owned and operated by Major League Baseball, consists of six teams in the state of Arizona.
Overview of Arizona Fall League teams :
| Team | City | Stadium |
| Glendale Desert Dogs | Glendale | Camelback Ranch |
| Mesa Solar Sox | Mesa | Sloan Park |
| Peoria Javelinas | Peoria | Peoria Sports Complex |
| Salt River Rafters | Scottsdale | Salt River Fields at Talking Stick |
| Scottsdale Scorpions | Scottsdale | Scottsdale Stadium |
| Surprise Saguaros | Surprise | Surprise Stadium |

## MLB Partner Leagues

MLB Partner Leagues consist of 50 teams with no direct affiliation with individual MLB organizations, but collaborate on promoting the sport in North America. Three leagues—the American Association, Atlantic League, and Frontier League, had been fully independent leagues. A fourth, the Pioneer League, had previously been affiliated with Minor League Baseball as a "Rookie Advanced" league, the second-lowest rung on the minor league ladder.

### American Association of Professional Baseball

The American Association of Professional Baseball consists of 12 teams.
Overview of American Association of Professional Baseball teams :
| Team | Division | City | State/Province | Stadium | Capacity |
| Chicago Dogs | East | Rosemont | Illinois | Impact Field | 6,300 |
| Cleburne Railroaders | East | Cleburne | Texas | La Moderna Field | 2,500 |
| Fargo-Moorhead RedHawks | West | Fargo | North Dakota | Newman Outdoor Field | 4,513 |
| Gary SouthShore RailCats | East | Gary | Indiana | U.S. Steel Yard | 6,139 |
| Kane County Cougars | East | Geneva | Illinois | Northwestern Medicine Field | 10,923 |
| Kansas City Monarchs | West | Kansas City | Kansas | Legends Field | 6,537 |
| Lake Country DockHounds | East | Oconomowoc | Wisconsin | Wisconsin Brewing Company Park | 3,641 |
| Lincoln Saltdogs | West | Lincoln | Nebraska | Haymarket Park | 8,000 |
| Milwaukee Milkmen | East | Franklin | Wisconsin | Franklin Field | 4,000 |
| Sioux City Explorers | West | Sioux City | Iowa | MercyOne Field at Lewis & Clark Park | 3,631 |
| Sioux Falls Canaries | West | Sioux Falls | South Dakota | Sioux Falls Stadium | 4,500 |
| Winnipeg Goldeyes | West | Winnipeg | Manitoba | Blue Cross Park | 7,561 |

### Atlantic League of Professional Baseball

The Atlantic League of Professional Baseball consists of 10 teams.
Overview of Atlantic League of Professional Baseball teams :
| Team | Division | City | State | Stadium | Capacity |
| Charleston Dirty Birds | South | Charleston | West Virginia | GoMart Ballpark | 4,500 |
| Gastonia Ghost Peppers | South | Gastonia | North Carolina | CaroMont Health Park | 5,000 |
| Hagerstown Flying Boxcars | North | Hagerstown | Maryland | Meritus Park | 5,500 |
| High Point Rockers | South | High Point | North Carolina | Truist Point | 8,500 |
| Lancaster Stormers | North | Lancaster | Pennsylvania | Penn Medicine Park | 8,000 |
| Lexington Legends | South | Lexington | Kentucky | Legends Field | 9,994 |
| Long Island Ducks | North | Central Islip | New York | Fairfield Properties Ballpark | 8,002 |
| Southern Maryland Blue Crabs | South | Waldorf | Maryland | Regency Furniture Stadium | 6,200 |
| Staten Island FerryHawks | North | Staten Island | New York | SIUH Community Park | 8,171 |
| York Revolution | North | York | Pennsylvania | WellSpan Park | 7,500 |

### Frontier League

The Frontier League consists of 18 teams.
Overview of Frontier League teams :
| Team | Division | City | State/Province | Stadium | Capacity |
| Brockton Rox | East | Brockton | Massachusetts | Campanelli Stadium | 4,750 |
| Down East Bird Dawgs | East | Kinston | North Carolina | Grainger Stadium | 4,100 |
| Evansville Otters | West | Evansville | Indiana | Bosse Field | 5,181 |
| Florence Y'alls | West | Florence | Kentucky | Thomas More Stadium | 4,500 |
| Gateway Grizzlies | West | Sauget | Illinois | Grizzlies Ballpark | 6,000 |
| Joliet Slammers | West | Joliet | Illinois | Duly Health and Care Field | 6,016 |
| Lake Erie Crushers | West | Avon | Ohio | Crushers Stadium | 5,000 |
| Mississippi Mud Monsters | West | Pearl | Mississippi | Trustmark Park | 6,500 |
| New Jersey Jackals | East | Little Falls | New Jersey | Hinchliffe Stadium | 10,000 |
| New York Boulders | East | Pomona | New York | Clover Stadium | 9,362 |
| Ottawa Titans | East | Ottawa | Ontario | Ottawa Stadium | 10,332 |
| Québec Capitales | East | Quebec City | Quebec | Stade Canac | 4,297 |
| Schaumburg Boomers | West | Schaumburg | Illinois | Wintrust Field | 7,365 |
| Sussex County Miners | East | Augusta | New Jersey | Skylands Stadium | 5,500 |
| Tri-City ValleyCats | East | Troy | New York | Joseph L. Bruno Stadium | 6,500 |
| Trois-Rivières Aigles | East | Trois-Rivières | Quebec | Stade Quillorama | 4,000 |
| Washington Wild Things | West | Washington | Pennsylvania | Wild Things Park | 5,200 |
| Windy City ThunderBolts | West | Crestwood | Illinois | Ozinga Field | 4,200 |

### Pioneer League

The Pioneer League consists of 12 teams.
Overview of Pioneer League teams :
| Team | City | State | Stadium | Capacity |
| Billings Mustangs | Billings | Montana | Dehler Park | 6,500 |
| Boise Hawks | Boise | Idaho | Memorial Stadium | 3,452 |
| Glacier Range Riders | Kalispell | Montana | Glacier Bank Park | 5,500 |
| Grand Junction Jackalopes | Grand Junction | Colorado | Suplizio Field | 7,014 |
| Great Falls Voyagers | Great Falls | Montana | Centene Stadium | 2,500 |
| Idaho Falls Chukars | Idaho Falls | Idaho | Melaleuca Field | 3,400 |
| Missoula PaddleHeads | Missoula | Montana | Ogren Park at Allegiance Field | 3,500 |
| Northern Colorado Owlz | Windsor | Colorado | 4Rivers Equipment Stadium at Future Legends Field | 2,800 |
| Oakland Ballers | Oakland | California | Raimondi Park | 2,500 |
| Ogden Raptors | Ogden | Utah | Lindquist Field | 8,262 |
| Rocky Mountain Vibes | Colorado Springs | Colorado | UCHealth Park | 8,500 |
| Yuba-Sutter High Wheelers | Marysville | California | Bryant Field | 3,500 |

## Non-partner independent leagues
### Empire Professional Baseball League

The independent Empire Professional Baseball League consists of 4 teams.
Overview of Empire Professional Baseball League teams :
| Team | City | State/Territory | Stadium |
| Malone Border Hounds | Malone | New York | American Legion Post 219 Veterans Field |
| North Country Thunderbirds | Plattsburgh | New York | Chip Cummings Field |
| Saranac Lake Surge | Saranac Lake | New York | Petrova Field |
| Tupper Lake Riverpigs | Tupper Lake | New York | Municipal Park |

### Pecos League

The independent Pecos League consists of 16 teams.
Overview of Pecos League teams :
| Team | Division | City | State | Stadium |
| Alpine Cowboys | Mountain | Alpine | Texas | Kokernot Field |
| Austin Weirdos | Mountain | Austin | Texas | Parque Zaragosa |
| Bakersfield Train Robbers | Pacific | Bakersfield | California | Sam Lynn Ballpark |
| Blackwell FlyCatchers | Mountain | Blackwell | Oklahoma | Morgan Field |
| Dublin Leprechauns | Pacific | Dublin | California | Fallon Sports Park |
| Garden City Wind | Mountain | Garden City | Kansas | Clint Lightner Field |
| Martinez Sturgeon | Pacific | Martinez | California | Waterfront Park |
| Marysville Drakes | Pacific | Marysville | California | Bryant Field |
| North Platte 80's | Mountain | North Platte | Nebraska | Bill Wood Field |
| Pecos Bills | Mountain | Pecos | Texas | Cyclone Ballpark |
| Roswell Invaders | Mountain | Roswell | New Mexico | Joe Baumann Park |
| San Rafael Pacifics | Pacific | San Rafael | California | Albert Park |
| Santa Fe Fuego | Mountain | Santa Fe | New Mexico | Fort Marcy Park |
| Trinidad Triggers | Mountain | Trinidad | Colorado | Central Park |
| Tucson Saguaros | Mountain | Tucson | Arizona | Kino Sports Complex |
| Vallejo Seaweed | Pacific | Vallejo | California | Wilson Park |

### United Shore Professional Baseball League

The independent, single-site United Shore Professional Baseball League consists of four teams.
Overview of United Shore Professional Baseball League teams :
| Team | City | State | Stadium | Capacity |
| Birmingham Bloomfield Beavers | Utica | Michigan | Jimmy John's Field | 4,500 |
| Eastside Diamond Hoppers | Utica | Michigan | Jimmy John's Field | 4,500 |
| Utica Unicorns | Utica | Michigan | Jimmy John's Field | 4,500 |
| Westside Woolly Mammoths | Utica | Michigan | Jimmy John's Field | 4,500 |