 During his career, Sileo also spent time with the Dallas Cowboys and Detroit Lions of the National Football League (NFL), as well as the Orlando Thunder of the World League of American Football (WLAF), the Las Vegas Sting of the Arena Football League (AFL), and the Las Vegas Posse of the Canadian Football League (CFL).Sileo is of Italian-American descent.Sileo originally attended Maryland, where as a freshman, in 1983, he played in 10 games and broke Hall of Famer (and former Terp) Randy White's freshman bench press record with a 405-pound bench press.