Frank Tanana.
McGwire hit 7 career home runs off of lefty Frank Tanana and 6 off of lefty Jim Abbott.
Mark McGwire had over 70 home runs in one season
In MLB, Andre Dawson of the Cubs and Mark McGwire of the Athletics tied for most home runs hit with 49.
Mark McGwire, 363
Mark McGwire
In 1998, Mark McGwire broke Maris' record by nine home runs. McGwire hit 70 and Maris hit 61.
That was Mark McGwire, with 49.
Mark Mcgwire hit 70 home runs in 1998, the year he broke Roger Maris' single season home run record of 61.
Mark McGwire hit 70 home runs in 1998.
Mark McGwire
mark mcgwire
Mark McGwire hit 583 career hr's.
Mark McGwire hit 583 home runs during his career.