Troy Davis (born September 14, 1975) is a former American college and professional football player who was a running back in the National Football League (NFL) and Canadian Football League (CFL). He played college football for Iowa State University, twice earned All-American honors, and was the first NCAA Division I-A running back to rush for over 2,000 yards in back-to-back seasons. He played professionally for the New Orleans Saints of the NFL, and the Hamilton Tiger-Cats, Edmonton Eskimos and Toronto Argonauts of the CFL, and was a member of the Eskimos' Grey Cup championship team in 2005.