In gridiron football, a triple-threat man is a player who excels at all three of the skills of running, passing, and kicking. In modern usage, such a player would be referred to as a utility player.
1906 St. Louis Post-Dispatch photograph of Brad Robinson throwing a forward pass
1905 St. Louis Post-Dispatch photograph of Brad Robinson preparing to punt
Bradbury Norton Robinson Jr. was a pioneering American football player, physician, nutritionist, conservationist and local politician. He played college football at the University of Wisconsin in 1903
Triple-threat man
…The term "triple threat" was used frequently by sportswriters in the 1920s and thereafter. A 1920 New York Times article reports that such a player Bradbury Robinson "A Triple Threat Man" (story by P. G. Wodehouse…
Robinson during his years as a student
1903 Wisconsin Badger football team; Robinson is on front row, first from right
Governor of Wisconsin, Robert M. La Follette showed Robinson his concern about the injuries in football. In reply, Robinson suggested him some modifications to the rules
H.P. Savage, who instructed Robinson in the art passing