Title: M&amp;M Boys
Content:  During their record-breaking season of 1961, the M&M Boys became the only teammates to join the 50 home run club in the same season, hitting a combined 115 home runs to break the single-season record for home runs by a pair of teammates. This record was previously held by Yankee sluggers Babe Ruth and Lou Gehrig, who hit 60 and 47 home runs, respectively, in. In addition, Mantle and Maris combined to record 269 RBI.
Title: Jeromy Burnitz
Content:  27, he, rookie Matt Holliday, and Charles Johnson combined to slug back-to-back-to-back home runs against the Florida Marlins, the sixth such occasion in franchise history. In a May 18 game against the Cincinnati in which he hit two home runs, both were part of back-to-back home run sets with Holliday, making them the first teammates in franchise history to hit back-to-back home runs twice in the same game, and the first teammate duo to do so since Mike Cameron and Bret Boone of Seattle Mariners in 2002. In 150 games, he led the Rockies with 37 home runs, hit a career high .283, and was second on the team with 110 RBI. On February 2, 
Title: 2000 Major League Baseball season
Content:  ninth. This the first time in major league history that three players homer in the same inning on two occasions in the same game. The Angels' three players with two home runs each in one game ties a major league record. ; April 23 – In the New York Yankees' 10–7 victory over the Toronto Blue Jays, Yankees Bernie Williams and Jorge Posada each hit home runs from both sides of the plate, marking the first time in major league history that a pair of teammates accomplish the feat in the same game. ; April 29 – The San Francisco Giants defeat the Montreal 
Title: List of Major League Baseball single-inning home run leaders
Content:  In baseball, a home run is credited to a batter when he hits a fair ball and reaches home safely on the same play, without the benefit of an error. Fifty-eight different players have hit two home runs in an inning of a Major League Baseball (MLB) game to date, the most recent being Edwin Encarnación of the Seattle Mariners on April 8, 2019. Regarded as a notable achievement, five players have accomplished the feat more than once in their career; no player has ever hit more than two home runs in an inning. Charley Jones was the first player to hit two 
Title: 50 home run club
Content:  M&M Boys—are the only teammates to reach the 50 home run club in the same season, hitting a combined 115 home runs in 1961 and breaking the single-season record for home runs by a pair of teammates. Albert Belle is the only player to amass 50 or more doubles in addition to attaining 50 home runs. Prince Fielder, at 23 years and 139 days, was the youngest player to reach the milestone while Bonds, at age 37, was the oldest. Pete Alonso and Aaron Judge are the only players to hit 50 home runs in their rookie seasons. Due to the infrequent addition of members into the 50 home run club, Baseball Digest 
Title: Home run
Content:  and Johnny Bench hit back-to-back homers in the last of the ninth off Ron Reed to tie the game. The Series-winning run was scored later in the inning. Another notable pair of back-to-back home runs occurred on September 14, 1990, when Ken Griffey Sr. and Ken Griffey Jr. hit back-to-back home runs, off Kirk McCaskill, the only father-and-son duo to do so in Major League history. On May 2, 2002, Bret Boone and Mike Cameron of the Seattle Mariners hit back-to-back home runs off of starter Jon Rauch in the first inning of a game against the Chicago White 
Title: List of Major League Baseball record breakers by season
Content: September 4  9: Most teams with which a player has hit 20 home runs in a season – 2 by Mark McGwire
Title: Home run
Content:  The Mariners batted around in the inning, and Boone and Cameron came up to bat against reliever Jim Parque with two outs, again hitting back-to-back home runs and becoming the only pair of teammates to hit back-to-back home runs twice in the same inning. On June 19, 2012, José Bautista and Colby Rasmus hit back-to-back home runs and back-to-back-to-back home runs with Edwin Encarnación for a lead change in each instance. On July 23, 2017, Whit Merrifield, Jorge Bonifacio, and Eric Hosmer of the Kansas City Royals hit back-to-back-to-back home runs in the fourth inning against the Chicago White 
Title: 2012 Major League Baseball season
Content:  inning against the Chicago Cubs on July 21. They tied the mark set by the Boston Bees in 1936. The 12 runs they scored in the inning also tied a franchise record set by the 1926 Cardinals. ; Washington Nationals: ; Became the third team in Major League history to hit at least six home runs in consecutive games on September 4 and 5 against the Chicago Cubs, joining the 2003 Los Angeles Angels and the 1996 Los Angeles Dodgers. ; Chicago Cubs/Houston Astros: ; On September 11, 2012, the Cubs and Astros combined to use 11 pitchers in a game in which Houston came away with 
Title: Davey Johnson
Content:  stood for 48 years until Marcus Semien who hit 45 home runs in 2021. Johnson's second-highest home run total was 18, in the 1971 season. That same season Atlanta's Darrell Evans hit 41 home runs, and Hank Aaron hit 40 home, making the 1973 Braves the first team to feature three teammates that each hit 40 home runs in the same season. Four games into the 1975 season and after getting a hit in his only at bat, Johnson was released by the Braves. He then signed with the Yomiuri Giants of Japan's Central League, with whom he played 

Question: most home runs by 2 teammates in a season?
Answer: 115.
a combined 115 home runs.
Roger Maris.
Mickey Mantle.