Jackie Robinson Day: The only time MLB players can wear No. 42
April 15, 1997: Ken Griffey Jr. wears number 42 to honor Jackie
Why are MLB players wearing No. 42 jerseys today?
Why are Boston Red Sox players all wearing No. 42 jerseys? Jackie
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2023 MLB Jackie Robinson Day Jerseys & Caps Revealed – SportsLogos
D-backs to host Jackie Robinson Day events during homestand vs. Mets
All of MLB to wear Jackie Robinson's No. 42 in Dodger Blue on
Jackie Robinson's No. 42 is retired to honor the man who broke the
Jackie Robinson Day: A celebration that should be remembered every day
Mariners to Play in MLB's Annual Civil Rights Game on Jackie
