The league has celebrated Jackie Robinson Day every year since 2004, with all players donning Robinson's retired No. 42 in a tribute to the courage it took for him to join an all-white MLB knowing ...

He was enshrined in Cooperstown in 1962, and his number 42 has been retired across Major League Baseball. The league has celebrated its annual Jackie Robinson Day since 2004.

Robinson donned the No. 42 as a player, so players wear that number on Jackie Robinson Day as a tribute to the Dodgers legend. His number was retired across the league in 1997.

During today's games, every baseball player wears the number 42 in honor of Robinson, a number that was officially retired across Major League Baseball in 1997.

The Dodgers lefty looked promising when he began his career, but he really took off once he added a pitch he didn't even ...

Robinson donned the No. 42 as a player, so players wear that number on Jackie Robinson Day as a tribute to the Dodgers legend. His number was retired across the league in 1997.