Jack Johnson vs All-Time Heavyweights

Opponent                Won/Loss    Decision
George Foreman (1970s)     L        Unanimous
Jack Dempsey               W        Split
Evander Holyfield          W        Unanimous
Rocky Marciano             W        TKO 9th round
Mike Tyson                 L        KO - 8th round
Gene Tunney                W        Unanimous
Max Baer                   W        TKO - 8th round
Muhammed Ali (1960s)       W        Split
Primo Carnera              W        KO - 7th round
Luis Firpo                 W        KO - 3rd round