UCLA honors Jackie Robinson by retiring 42 across all sports
Jackie Robinson becomes first African American player in Major League Baseball, April 15, 1947
Jackie Robinson Day: Every MLB player will wear No. 42 to honor baseball icon
Jackie Robinson: The Baseball Player
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Jackie Robinson - Jackie Robinson Foundation
Celebrating the Life and Activism of Jackie Robinson - AAIHS
His No. 42 will be retired from all sports in his legacy – Los Angeles Sentinel
Why Jackie Robinson was an even better baseball player than you realize - ESPN
Jackie Robinson, Biography, Statistics, Number, Facts, & Legacy
Why are MLB players wearing No. 42 jerseys today?