Bob Lilly Autograph, signed in black, on white numbers with "HOF 81" inscriptions on a custom blue Dallas Cowboys Jersey complete with JSA Hologram. Robert Lewis Lilly, nicknamed "Mr. Cowboy", is an American former professional football player who was a defensive tackle. After playing college football for the TCU Horned Frogs, he played for the Dallas Cowboys of the National Football League for fourteen seasons. Lilly was inducted into the Pro Football Hall of Fame in 1980 and the College Football Hall of Fame in 1981.