Big Mac hits 70th home run
Nationals @ CardinalsSeptember 27, 1998 | 00:02:00
9/27/98: In his final at-bat of the 1998 season, Mark McGwire becomes the first MLB player to hit 70 home runs in a season
9/27/98: In his final at-bat of the 1998 season, Mark McGwire becomes the first MLB player to hit 70 home runs in a season