The only day MLB players can wear No. 42? Jackie Robinson Day
MLB players to wear #42 Monday to honor Jackie Robinson Day
Now honoring No. 42: Jackie Robinson Day in majors - The San Diego Union-Tribune
MLB celebrates timely Jackie Robinson Day
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Red Sox notebook: On Jackie Robinson Day, Alex Cora wants his team to play the right way
Majors celebrate 75th anniversary of Jackie Robinson's debut – News-Herald
MLB celebrates Jackie Robinson Day: 15-16 April - World Baseball Softball Confederation
Why every MLB player is wearing No. 42 today
42 facts about Jackie Robinson to celebrate the 75th anniversary of his breaking the color barrier
Jackie Robinson Day - Wikipedia