Why every MLB player is wearing No. 42 on Monday
April 15, 1997: Ken Griffey Jr. wears number 42 to honor Jackie Robinson on 50th anniversary – Society for American Baseball Research
Jackie Robinson Day a meaningful tradition in Major League Baseball
Jackie Robinson Day extends into orbit
Padres honored for chance to wear No. 42
Cubs players will honor the 66th anniversary of Jackie Robinson breaking MLB's color barrier by wearing #42 du…
Jackie Robinson Day 2023: How Sports World is Honoring MLB Icon, News, Scores, Highlights, Stats, and Rumors
Jackie Robinson Day: A's Kemp honors past with eye on the future
MLB honors Jackie Robinson Day and pays tribute to his barrier-breaking career
MLB The Show 22: How to complete the Jackie Robinson Player Program