Marcus LeMarr Allen is a former American football running back who played in the National Football League (NFL) for 16 seasons, primarily with the Los Angeles Raiders. He played college football for the USC Trojans, where he won the Heisman Trophy in 1981 after becoming the first player in NCAA history to rush for over 2,000 yards in a single season. Allen was a key member of the Raiders' victory in Super Bowl XVIII, where he was named the game's Most Valuable Player. He is the only player to have won the Heisman Trophy, an NCAA national championship, the Super Bowl, and be named both NFL MVP and Super Bowl MVP.