Mark McGwire of the Oakland Athletics during a game at Anaheim

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Mark McGwire of the Oakland Athletics during a game at Anaheim Stadium in Anaheim, California during the 1997 season.(Larry Goren/Four Seam Images via AP Images Stock Photo - Alamy

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1991 Donruss #105 Mark McGwire Baseball Card - Oakland Athletics

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Mark McGwire of the Oakland Athletics during a game at Anaheim Stadium in Anaheim, California during the 1997 season.(Larry Goren/Four Seam Images via AP Images Stock Photo - Alamy

Mark McGwire of the Oakland Athletics during a game at Anaheim Stadium in Anaheim, California during the 1997 season.(Larry Goren/Four Seam Images via AP Images Stock Photo - Alamy

Mark McGwire Signed Team USA 1985 Topps Baseball Rookie Card #401 (PSA Encapsulated) – Schwartz Sports Memorabilia

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Mark McGwire, Biography, Stats, & Facts