Baseball In Pics - Mark McGwire with Don Mattingly and Matt Nokes at the 1987 All Star Game
Fun Cards: 1988 American League All-Star First Basemen – The Writer's Journey
Mark McGwire Baseball Card Belt
Mark McGwire Checklist - Supercollector Catalog
Mark McGwire 2022 Topps Pristine #48 Purple Refractor /99 - Sports Card King
Sold at Auction: Baseball Card Collection w/ Roberto Clemenete, Nolan Ryan + More - 9 Different
Starting Lineup DON MATTINGLY 1988 New York Yankees OFFER CARD moc – ActionFiguresandComics
Mark McGwire 1987 Fleer Baseballs Best Sluggers Series Mint ROOKIE Car
1990 FLEER #638 DON MATTINGLY-MARK McGWIRE PSA 10 B3613631-494
Don mattingly hi-res stock photography and images - Alamy
Topps Project 2020 Mark McGwire #97 by Andrew Thiele - (PRE-SALE))
2015 Topps Museum Collection Dual Archival /15 Don Mattingly Mark McGwire Auto, in 2023