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 players to join in the tribute. #Jackie42
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 players to join in the tribute. #Jackie42
