Barry Bonds and Ken Griffey Jr at the 1990 MLB all-star game : r/OldSchoolCool
Jason Heyward: Chicago Cubs OF giving back to the game
Jackie Robinson Day Museum of the City of New York
Did you know that wearing #42 on Jackie Robinson day was Ken Griffey Junior's idea?
Jackie Robinson Day - Wikipedia
I think we making Jackie proud today': Mariners' Dee Gordon on being Black in baseball on MLB's Jackie Robinson day
MLB Vault on Twitter: Ken Griffey Jr. came up with the idea of wearing No. 42 on April 15th. On the first Jackie Robinson Day when the number was worn league-wide (2009)
Major League Baseball lockout may rob us of an important Jackie Robinson celebration
Cincinnati Reds - April 15, 2007: Ken Griffey Jr. dons No. 42 in honor of Jackie Robinson after receiving consent from then-Commissioner Bud Selig and Robinson's widow, Rachel. Selig then encourages all
Ken Griffey Jr. had Jackie Robinson Day idea
April 15, 1997: Ken Griffey Jr. wears number 42 to honor Jackie Robinson on 50th anniversary – Society for American Baseball Research
Paxton Wrangles Rangers on Jackie Robinson Day - Lookout Landing