Why are MLB players wearing No. 42 jerseys today?

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. (

Baseball's Jackie Robinson Day Needs to Be More Than Just a Gesture

The Red Sox And All MLB Teams Celebrate Diversity On Jackie Robinson Day By Wearing #42

Shop Exclusive Jackie Robinson - Jerseys, Hats, Shirts - JRM

Retired number, sports award

Jackie Robinson Day: 4 Facts About His Jersey No. 42, Now Retired in MLB

MLB on X: Honoring No. 42. #Jackie42 / X

No. 42 jersey tribute began in 2007 with Griffey

MLB allows more players to wear No. 21 to honor Roberto Clemente – NBC Sports Chicago

National Baseball Hall of Fame and Museum - 22 years ago MLB declared that Jackie Robinson's #42 would be retired throughout baseball. Players wearing his number at the time were allowed to

A number of nuggets about retired numbers around the Major League