Wondering what the most expensive Mark McGwire cards ever sold are? Check out this list of the top 10 "Big Mac" cards!

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 ...

Long, lanky, and bullishly strong, the Oakland A's Mark McGwire burst onto the Major League Baseball scene in his rookie season of 1987 by crushing a then rookie record 49 home runs. Over the ...

ST. LOUIS -- Mark McGwire is back in baseball, reunited with Tony La Russa as the St. Louis Cardinals' hitting coach.

Los Angeles Dodgers batting coach Mark McGwire talks with players in the dugout before team batting practice before the baseball game against the Pittsburgh Pirates on Saturday, June 15, 2013, in ...