Calaméo - 2016 May
Joe G. (Goat Jerseys) – SABR's Baseball Cards Research Committee
Tribute Sets – Page 2 – SABR's Baseball Cards Research Committee
Vintage mark mcgwire shirt - Gem
Baseball Equipment- Sports Card and Sports Memorabilia Auctions
MARK MCGWIRE GAME USED JERSEY & BAT CARD 2002 UD SP & 2010 SPORT KINGS CARDINALS
Fall 2016 - Sports Memorabilia Auctions
Lot Detail - 2016 Mark McGwire Game Used San Diego Padres Home Throwback 80th Anniversary PCL Uniform (Jersey and Pants) From 9/7/16 Vs Red Sox (MLB Authenticated)
2023 Spring Classic - Sports Memorabilia Auctions
1956–1968 – SABR's Baseball Cards Research Committee
Fall 2016 - Sports Memorabilia Auctions
Throwback Mark McGwire St. Louis Cardinals #25 Large Baseball Jersey
Throwback Mark McGwire St. Louis Cardinals #25 Large Baseball Jersey
Mark Armour – SABR's Baseball Cards Research Committee