19 times the Dallas Cowboys took risks on troubled players

The Dallas Cowboys signed Aldon Smith on April 1, another chapter in the book of risky signings by the franchise.

Michael Irvin

Paul BUC/AFP/Getty Images

Hall of Famer Michael Irvin ran into trouble off the field. He ran into some legal issues during and after his career. He was involved in a stabbing incident using a pair of scissors in a dispute with a teammate over a haircut.