who averaged the most home runs per season
At bats per home run Babe Ruth was the first batter to average fewer than nine at-bats per home run over a season, hitting his 54 home runs of the 1920 season in 457 at-bats; an average of 8.463. Seventy-eight years later, Mark McGwire became the first batter to average fewer than eight AB/HR, hitting his 70 home runs of the 1998 season in 509 at-bats (an average of 7.2714). In 2001, Barry Bonds became the first batter to average fewer than seven AB/HR, setting the Major League record by hitting his 73 home runs of the 2001 season in 476 at-bats for an average of 6.5205.