Lou Gehrig hit 23 career grand slam home runs, the most by any player in Major League Baseball history.
The most home runs Hank Aaron hit in one season was 47, in 1971.
Hank Aaron had the most home runs for a regular season.
Roger Maris hit 61 home runs in the 1961 season.
Barry Bonds
No ... the most home runs Cobb hit in a season was 12 in 1921 and 1925.
Dave Klingman holds the record for most home runs hit during a retirement season. He hit 35 home runs in his 1987 final season.
Dave Klingman holds the record for most home runs hit during a retirement season. He hit 35 home runs in his 1987 final season.
The most home runs Hank Aaron hit in one season was 47, in 1971.
Hank Aaron had the most home runs for a regular season.
Roger Maris hit 61 home runs in the 1961 season.
Barry Bonds
Mark McGwire had over 70 home runs in one season
No ... the most home runs Cobb hit in a season was 12 in 1921 and 1925.
Lou Gehrig hit 35 home runs, 2 of them grand slams, in the 1929 season.
Robin Yount hit three career grand slam home runs, 2 in the 1980 season and 1 in the 1984 season.
He holds the major league records for most home runs in a career (762) and most home runs in a season (73).
David Ortiz set the single-season record for most home runs by a Boston Red Sox player in 2006. He hit 54 home runs that year, which was the most in the American League.