MLB celebrates Jackie Robinson Day: 15-16 April - World Baseball

MLB's percentage of Black players is baseball's lowest since 1955

Jackie Robinson Day - Wikipedia

Jackie Robinson becomes first African American player in Major League Baseball, April 15, 1947

April 15 in Major League Baseball is Jackie Robinson Day! - Mega Sports News

Celebrating Jackie Robinson Day

Jackie Robinson Day: Every MLB player will wear No. 42 to honor baseball icon

Jackie Robinson Day, MLB Together

4/15/16-Something Current-Jackie Robinson Day- LAD-7,SF-3 by Jon SooHoo,Juan Ocampo and Jill Weisleder/LA Dodgers, by Jon SooHoo

MLB celebrates Jackie Robinson Day