Reginald Levi Mathis is an American former professional football linebacker who played two seasons with the New Orleans Saints of the National Football League (NFL). He was selected by the Saints in the second round of the 1979 NFL draft. He played college football at Navarro College and the University of Oklahoma. Mathis was also a member of the New Jersey Generals and San Antonio Gunslingers of the United States Football League (USFL), the Hamilton Tiger-Cats of the Canadian Football League (CFL), and the Detroit Drive of the Arena Football League (AFL).