Bo Jackson
Bo Jackson played for both the NFL and MLB. Recruited by the New York Yankees in high school, Jackson instead entered Auburn University, where he led his football team to a Sugar Bowl victory and also qualified for the U.S. Olympic track and field team. He joined MLB in 1986 and later joined the NFL and the L.A. Raiders in 1991, where he played for four years until an injury ended his career. Bo Jackson also played for the Kansas City Royals of Major League Baseball.