Joe Louis - 69 Wins (55 knockouts, 13 decisions, 1 disqualification), 3 Losses (2 knockouts, 1 decision)
Also from wiki: In 1936, a beat writer for the Winnipeg Tribune used Joe Louis's nickname (Brown Bomber) to refer to the Winnipeg Football Club after a game. From that point, the team became known popularly as the Winnipeg Blue Bombers.