Ken Griffey Jr. had Jackie Robinson Day idea

Jackie Robinson Day Museum of the City of New York

Jackie and The Kid - #42, Everyone wears #42 on Jackie Robinson Day thanks to The Kid!, By MLB Network

Jackie Robinson, Willie Mays still attracting big dollars for cards, memorabilia - Sports Collectors Digest

Mariners at forefront of establishing Jackie Robinson Day

Jackie Robinson Day 2020: MLB to celebrate with online, television tributes despite no games because of coronavirus pandemic

Jackie Robinson's first trip to Cincinnati to play the Reds - Redleg Nation

Seattle Mariners retiring Ken Griffey Jr.'s No. 24 at all levels - ESPN

Jackie Robinson Museum devoted to civil rights, off-field work - Los Angeles Times

Ken Griffey Jr., forever The Kid, goes into Hall of Fame in record fashion

Hunter Greene, Art Warren thrilled for Jackie Robinson Day vs. Dodgers

Jackie Robinson Day Started with Ken Griffey Jr - Last Word On Baseball

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