Why every MLB player is wearing No. 42 today

Why are MLB players wearing No. 42 jerseys today?

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The No. 42 All-Star team

Yankees' Mariano Rivera Is the Last No. 42 - The New York Times

Jackie Robinson Day 2020, All Players Wearing #42 and Patches Today – SportsLogos.Net News

As MLB honors Jackie Robinson, diversity is lagging

The only day MLB players can wear No. 42? Jackie Robinson Day

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Players wear No. 42 on their jerseys in honor of Jackie Robinson Day during a baseball game between the Philadelphia Phillies and the New York Mets, Monday, April 15, 2019, in Philadelphia. (

Photo: Players Wear Number 42 On Jackie Robinson Day - SLP2023041503

Jackie Robinson - Wikipedia