Aug 6, 2016; Seattle, WA, USA; Seattle Mariners former player Ken Griffey Jr. smiles next to his Hall of Fame plaques during his number retirement ceremony before the start of a game against the ...

Ken Griffey Jr.'s rookie cards, like the 1989 Upper Deck Star Rookie, hold significant value for collectors, with some ...

Ken Griffey Jr., who is one of the most naturally gifted players to ever step onto a Major League Baseball field, built a ...