What are some events of Mark McGwire?
For his career, McGwire averaged a home run once every 10.61 at bats, the lowest at bats per home run ratio in baseball history (Babe Ruth is second at 11.76). In 1987, he broke the single-season home run record for rookies, with 49. In 1998, McGwire broke the single-season home run record by hitting 70, but his mark was later eclipsed by Barry Bonds with 73 in 2001.