Title: List of World Series champions
Content:  Texas Rangers, Tampa Bay Rays, and Milwaukee Brewers have all played in the Series but have never won it. The Los Angeles Angels, Arizona Diamondbacks and Washington Nationals are the only teams who have won their only World Series appearance, and the Toronto Blue Jays and the Miami Marlins have won both of their World Series appearances. The Toronto Blue Jays are the only franchise from outside the United States to appear in and win a World Series, winning in 1992 and 1993. The Houston Astros are the only franchise to have represented both the NL (2005) and the AL (2017, 2019, 2021), winning the Series in 2017. The current (2021) World Series champions are the Atlanta Braves.
Title: List of World Series champions
Content:  the AL have played in 40 World Series, winning 27 – the most championship appearances and most victories by any team in the four major North American professional sports leagues. The Dodgers of the NL have the most losses with 14, while the Yankees have the most losses among AL teams with 13. The St. Louis Cardinals have won 11 championships, the most championships among NL clubs and second-most all-time behind the Yankees, and have made 19 total appearances, third-most among NL clubs. The Dodgers have represented the NL the most World Series with 21 appearances. The Seattle Mariners are the only current MLB franchise that has never appeared in a World Series; the San Diego Padres, Colorado 
Title: World Series
Content: Notes American League (AL) teams have won 66 of the 117 World Series played (56.4%). The New York Yankees have won the World Series the most times with 27 championships, accounting for 23.1% of all series played and 40.9% of the wins by American League teams. The Yankees have also been the American League's representative in the World Series the most times, with 40 total appearances. The St. Louis Cardinals have won 11 World Series, second-most among all 30 teams and most among National League franchises, accounting for 9.4% of all series played and 21.6% of the 51 National League victories. However, the Brooklyn/Los Angeles Dodgers have been the National 
Title: World Series
Content:  World Series wins streak by National League teams, with each team having won 3 times since their last losses. Since their last defeat in 1927, the Pirates have won the Series in 1960, 1971 and 1979.  After their loss in 2002, the Giants won the Series in 2010, 2012, and 2014.  Finally, since their loss in 1972, the Reds have won the Series in 1975, 1976 and 1990. ; The Yankees have the most World Series victories (eight) between World Series losses. After losing the 1926 World Series to the Cardinals, the Yankees won in their next eight appearances,  (1927, 1928, 1932, 1936, 1937, 1938, 1939, and 
Title: List of World Series champions
Content:  through a best-of-nine playoff. Although the large majority of contests have been played entirely during the month of October, a small number of Series have also had games played during September and November. The Series-winning team is awarded the Commissioner's Trophy. Players, coaches and others associated with the team are generally given World Series rings to commemorate their victory; however, they have received other items such as pocket watches and medallions in the past. The winning team is traditionally invited to the White House to meet the President of the United States. A total of 117 World Series have been contested through 2021, with the AL champion winning 66 and the NL champion winning 51. The New York Yankees 
Title: World Series
Content:  and Rockies have both lost one Series.  As of 2019, every team that has appeared in at least three World Series has won at least one title. ; Only one team has never played in the World Series: the American League's Seattle Mariners. The Mariners have competed in the American League Championship Series three times (in 1995, 2000, and 2001), but lost all three. ; The Boston Red Sox have the most World Series titles before their first World Series loss, winning the championship in their first five appearances—1903, 1912, 1915, 1916, and 1918—before losing the next series they played, in 1946. ; The American League's Toronto Blue 
Title: World Series
Content:  National League (lost to the Chicago White Sox in 2005) and 1-1 as a member of the American League (defeated the Los Angeles Dodgers in 2017 and lost to the Washington Nationals in 2019). ; 7) Game 1 of the 2015 World Series between the New York Mets and the Kansas City Royals was the longest game 1 in history at 5 hours and 9 minutes. ; 8) Yogi Berra of the New York Yankees holds the record for most World Series championships by a player with ten. Joe DiMaggio of the Yankees is second with nine. ; 9) Joe McCarthy and Casey Stengel are 
Title: World Series
Content:  Red Sox have lost four World Series (1946, 1967, 1975, & 1986), all of which were in Series that went seven games. ; There have been 19 World Series four-game (4–0) sweeps, the most recent of which occurred in 2012 when the Giants swept the Tigers. Nine teams have swept a World Series at least once, the Yankees having done so most often (8 times). The Red Sox, Reds, and Giants have all done it twice. The Braves, Orioles, White Sox, Dodgers, and Athletics have each swept one Series. Six of these teams (all but the Orioles, Red Sox and White Sox) have also 
Title: World Series
Content: 1) Three World Series have featured teams with identical regular-season records (1949, 1958, 2013). In the remaining 113 Series, the team with the better regular-season winning percentage has won the World Series 55 times, or 48.67% (54 of 113) of the time. ; 2) The Toronto Blue Jays are the only Canadian team to win a pennant or a World Series, doing both feats twice, in 1992 and 1993. ; 3) The Chicago Cubs, the Houston Astros and the Washington Nationals are the only teams with a World Series title that have never clinched one at home. ; 4) The Washington Senators/Minnesota Twins, New York Mets, 
Title: World Series
Content:  The San Francisco Giants won the World Series in 2010, 2012, and 2014 while failing to qualify to play in the postseason in the intervening seasons. The Texas Rangers were twice only one strike away from winning their first World Series title in 2011, but the St. Louis Cardinals' David Freese, the eventual Series MVP, drove in both the tying and winning runs late in Game 6 to force a Game 7. In 2013, the Boston Red Sox won their first World Series of the 2010s by defeating the St. Louis Cardinals in six games. They won the final game at Fenway Park, clinching 

Question: who has won the most world series in baseball?
Answer: the New York Yankees.
New York Yankees.