Marvin Bruce "Monk" Mattox (February 11, 1899 â May 5, 1956) was an American football player, coach and official. He was also an oil company distributor.
Mattox was a guard in the National Football League. He played with the Milwaukee Badgers during the 1923 NFL season. He played college football for the Washington & Lee Generals, selected an All-Southern end in 1919.