MARK MCGWIRE STAR CARD 1988.
6 Most Valuable Mark McGwire Rookie Cards - Old Sports Cards
Mark McGwire Price List - Supercollector Catalog
Best A's players by uniform number
Mark McGwire Price List - Supercollector Catalog
1989 Score Hottest 100 Stars #25 Mark McGwire - NM-MT
1988 Topps Football Card Checklist, Set Info, Key Cards, Boxes, More
Oakland A's Price List - Supercollector Catalog
The 9 greatest players in Oakland Athletics history
mlb hall of fame snubs — Documentaries — Humm Baby Baseball
The Top 25 Oakland Athletics of All Time