Lou Gehrig hit 23 career grand slam home runs, the most by any player in Major League Baseball history.
Chat with our AI personalities
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.