Legendary baseball player Mark McGwire's 1999 Upper Deck Black Diamond Piece of History Mark McGwire PSA 9 POP3 No 10’s! trading card has surfaced on the secondary market with a price tag of $3,000.

Former first baseman Mark McGwire finished with 583 career home runs in the 16 seasons he was in the league. Still, one of his former teammates believed he could have hit many more and broken the ...

It's hard to think of a more iconic time in baseball history than the 1998 home run chase, and it was on this day, 27 years ago, that St. Louis Cardinals first baseman Mark McGwire did something that ...

In the world of sports collectibles, one name that stands out is Mark McGwire. Now, fans and collectors have a unique opportunity to own a piece of history with a ...