Why every MLB player is wearing No. 42 on Monday

MLB players write letters to Jackie Robinson

number 42 John Jeansonne

Dodgers manager Dave Roberts saving his sentimental side for Jackie Robinson Day – Orange County Register

Mariano Rivera Wearing Jackie Robinson's 42 to the End - The New York Times

VOICES: Jackie Robinson Day is much bigger than baseball - The Atlanta Voice

Jackie Robinson honored across Major League Baseball on Wednesday

Photos: MLB celebrates 70th anniversary of Jackie Robinson's breaking of color barrier – East Bay Times

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

Jackie Robinson - Wikipedia

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. (

Seattle Mariners players wear No. 42 before the team's baseball game against the Texas Rangers on Saturday, April 15, 2017, in Seattle. All players and coaches on both teams wore the number

April 15, 1997: Ken Griffey Jr. wears number 42 to honor Jackie Robinson on 50th anniversary – Society for American Baseball Research