O’Malley Helped Blacks. Walter O’Malley was a family man who dominated the game of baseball for thirty-five years and, along with Branch Rickey, gave black players their first real crack at the major leagues. Walter O’Malley will long be remembered by players of color for his very unique style of courage and for his warm humanity…He went to bat for black players back when it was unpopular and he improved the game of baseball by his daring actions.