Ken Griffey Jr. had Jackie Robinson Day idea
Batter's Box Interactive Magazine - Jackie Robinson Day 2010 In Toronto-Part 1
I think we making Jackie proud today': Mariners' Dee Gordon on being Black in baseball on MLB's Jackie Robinson day
No. 42 jersey tribute began in 2007 with Griffey
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Jackie Robinson Day: Baseball Celebrates a Pioneer, but Should Strive for More, News, Scores, Highlights, Stats, and Rumors
Hunter Greene, Art Warren thrilled for Jackie Robinson Day vs. Dodgers
Mariners at forefront of establishing Jackie Robinson Day
MLB ready to celebrate Jackie Robinson Day - Jackie Robinson
Ken Griffey Jr., Mike Piazza, and the Baseball Hall of Fame's Shifting Attitudes on Doping in 2016 - The Atlantic
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
BAR 4.16.14: Honoring Jackie Robinson
Griffey, Suzuki, Mariners roll 11-3 over Angels - The San Diego Union-Tribune
Ken Griffey Jr. - Wikipedia
Seattle Mariners - Iconic. In 1995, Ken Griffey Jr. met with former Negro Leagues players ahead of our Turn Back the Clock game honoring the 75th anniversary of the league. #TBT, #BHM
Ken Griffey Jr. Started Wearing 42 on Jackie Robinson Day! #shorts
