MLB players honored to wear Jackie Robinson's No. 42
Gallery: Wearing #42 to honor Jackie Robinson
Angels and Mariners lock arms in show of support on Jackie Robinson Day – Orange County Register
Jackie Robinson becomes first African American player in Major League Baseball, April 15, 1947
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Last player to wear No. 42 for each MLB team
The Only Day MLB Players Can Wear No. 42 » Britannica
MLB ready to celebrate Jackie Robinson Day - Jackie Robinson
Jackie Robinson Day 2021: MLB players wear 42 to honor legend
Major League Baseball celebrates Jackie Robinson Day – The Denver Post
Mariano Rivera Wearing Jackie Robinson's 42 to the End - The New York Times