McGwire homer goes upper deck
Royals @ CardinalsJune 30, 1998 | 00:01:00
6/30/98: Mark McGwire hits a shot to the upper-deck off of Royals starter Glendon Rusch for his 37th home run of the year
6/30/98: Mark McGwire hits a shot to the upper-deck off of Royals starter Glendon Rusch for his 37th home run of the year