text: On June 4 , 1972 , the Dodgers retired his uniform number , 42 , alongside those of Roy Campanella ( 39 ) and Sandy Koufax ( 32 ) .
simplified: On June 4 , 1972 , the Dodgers retired his uniform number , 42 , along with those of Roy Campanella ( 39 ) and Sandy Koufax ( 32 ) .