American Underdog is a 2021 American biographical sports film about National Football League (NFL) quarterback Kurt Warner. Directed by Andrew and Jon Erwin, the film follows Warner’s journey as an undrafted player who ascended to winning Super Bowl XXXIV. It stars Zachary Levi as Warner alongside Anna Paquin as his wife Brenda and Dennis Quaid as St. Louis Rams head coach Dick Vermeil. The film was released theatrically in the United States on December 25, 2021, by Lionsgate. It received mostly positive reviews from critics and has grossed over $24 million.