Answer
Maris hit 61 home runs in his record-setting season in 1961, breaking Babe Ruth's previous record of 60 home runs set in 1927. Maris's achievement is particularly notable as he accomplished it during a 162-game season, while Ruth's record was set in a 154-game season. Maris's record stood for 37 years until it was broken by Mark McGwire in 1998.