Jackie Robinson Day: The only time MLB players can wear No. 42
MLB players honored to wear Jackie Robinson's No. 42
As baseball celebrates Jackie Robinson, those around the game recognize 'it's time for some progress
Jackie Robinson Tribute Is Proving Popular - The New York Times
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Shop Exclusive Jackie Robinson - Jerseys, Hats, Shirts - JRM
Mariners to Play in MLB's Annual Civil Rights Game on Jackie Robinson Day, by Mariners PR
Angels and Mariners lock arms in show of support on Jackie Robinson Day – Orange County Register
Jackie Robinson Day 2023: The eternal impact of No. 42
Arizona Diamondbacks honor Jackie Robinson in pregame ceremony against New York Mets
MLB celebrates Jackie Robinson, calls for justice continue
Honoring Robinson's Achievement and Carrying On His Legacy - The New York Times
Major League Baseball remembers No. 42 Jackie Robinson – The Denver Post
April 15, 1997: Ken Griffey Jr. wears number 42 to honor Jackie Robinson on 50th anniversary – Society for American Baseball Research
Remembering Jackie Robinson's historic debut 75 years later - ABC News
MLB players to wear #42 Monday to honor Jackie Robinson Day