One of baseball's most iconic trading cards, the 1989 Upper Deck Star Rookie has been graded more than 114,000 times. Griffey's second Upper Deck card is much less popular than his rookie card.

No one could argue that Ken Griffey Jr. is one of the most collected baseball players in the hobby, even 15 years after he last stepped up to a MLB plate. Currently, his PSA graded cards sit at ...

If you follow the Topps X account, as I do, you might've seen a post featuring a Ken Griffey Jr. White Sox ... when Upper ...