Why are MLB players wearing No. 42 jerseys today?

Major League Baseball remembers No. 42 Jackie Robinson – The Denver Post

Puerto Rican Twins don No. 21 in tribute to Roberto Clemente – Twin Cities

The Greatest MLB Players of All Time to Wear Each Number from 1 to 50, News, Scores, Highlights, Stats, and Rumors

Remembering Jackie Robinson's historic debut 75 years later - ABC News

Now honoring No. 42: Jackie Robinson Day in majors - The San Diego Union-Tribune

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. (

Mo! Mariano Rivera, number 42. A living Legend whether you're a Yankees fan or notSO blessed to have see…

MLB players write letters to Jackie Robinson

Cincinnati Reds - Today in Reds history 2007: Reds right fielder Ken Griffey Jr. sought permission from then-Commissioner Bud Selig and Robinson's widow, Rachel, to wear No. 42 on April 15. From

Teams across MLB honor Jackie Robinson's 'eternal' impact