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Matthew Stephen Leinart (born May 11, 1983) is an American former professional football player who was a quarterback in the National Football League (NFL) for seven seasons. He played college football at USC, where he won the Heisman Trophy and led his team to an undefeated season as a junior, culminating with a victory in the 2005 BCS National Championship. Selected 10th overall by the Arizona Cardinals in the 2006 NFL Draft, Leinart primarily served as Kurt Warner's backup for four seasons. He spent his final three seasons in a backup role for the Houston Texans and Oakland Raiders. Leinart was inducted to the College Football Hall of Fame in 2017.