No one could argue that Ken Griffey Jr. is one of the most collected baseball players in the hobby, even 15 years after he ...
Ohtani ranks No. 2 only behind Hall of Famer Ken Griffey Jr. for the most baseball cards graded by industry leader PSA (Professional Sports Authenticator) and led all players with the most cards ...
Upper Deck holds a special place among Griffey collectors because of the splash it made debuting the Griffey Jr. rookie card ... One of baseball's most iconic trading cards, the 1989 Upper Deck ...