Leatherheads is a 2008 American sports comedy film from Universal Pictures directed by and starring George Clooney.
 The film also stars Renée Zellweger, Jonathan Pryce, and John Krasinski and focuses on the early years of professional American football.
Semi-Pro is a 2008 American sports comedy film from New Line Cinema.
 The film was directed by Kent Alterman and stars Will Ferrell, Woody Harrelson, André Benjamin and Maura Tierney.
 The film was shot in Los Angeles near Dodger Stadium (in the gym of the Los Angeles City Fire Department Training Center), in Detroit, and in Flint, Michigan.
 Released in theaters on February 29, 2008 and released on DVD and Blu-ray Disc on June 3, 2008, it was the last film from New Line Cinema before they merged with Warner Bros.
All Stars is a 1997 Dutch sports comedy film drama, which was the base for the Emmy Award winning television show of the same name.
 Directed by Jean van de Velde.
 Together with Mischa Alexander he was also responsible for the script.
 The film premièred on 2 May 1997.
 The sequel "Old Stars" was released in 2011.
 In 2004, the film was remade in Britain as "Things to Do Before You're 30".
The Waterboy is a 1998 American sports comedy film directed by Frank Coraci (who also appears in a cameo role), starring Adam Sandler, Kathy Bates, Fairuza Balk, Henry Winkler, Jerry Reed (his last film role before his death in 2008), Larry Gilliard, Jr., Blake Clark, Peter Dante and Jonathan Loughran, and produced by Robert Simonds and Jack Giarraputo.
The Bad News Bears is a 1976 American sports comedy film directed by Michael Ritchie.
 It stars Walter Matthau and Tatum O'Neal.
 The film was followed by two sequels, "The Bad News Bears in Breaking Training" in 1977 and "The Bad News Bears Go to Japan" in 1978, a short-lived 1979–80 CBS television series, and a 2005 remake.
Kicking & Screaming is a 2005 American sports comedy family film directed by Jesse Dylan and written by Leo Benvenuti and Steve Rudnick.
 The film stars Robert Duvall and Will Ferrell as a father and son who exploit their own son's soccer teams to try and beat the other.
 Mike Ditka, Kate Walsh and Josh Hutcherson also star.
Caddyshack II is a 1988 American sports comedy film and a sequel to "Caddyshack".
 The film stars Jackie Mason, Dan Aykroyd, Robert Stack, Dyan Cannon, Randy Quaid, Chevy Chase, Jonathan Silverman, and Jessica Lundy.
 It was written by various outside writers, but is credited to the first draft by Peter Torokvei and Harold Ramis, who also co-wrote and directed the first, and is directed by Allan Arkush.
Max Kellerman (born August 6, 1973) is an American boxing commentator and sports television personality.
 He appears as a color commentator on HBO World Championship Boxing and HBO Boxing After Dark and as of January 3, 2011, is co-hosting an afternoon drive-time sports talk show with Marcellus Wiley on ESPNLA 710am radio at LA Live in Downtown Los Angeles.
 Starting on June 24, 2013, Kellerman, Michelle Beadle and Wiley co-hosted the sports comedy talk show "SportsNation" on ESPN.
 Since July 25, 2016 Kellerman has been a co-host on ESPN's First Take alongside Stephen A. Smith and Molly Qerim.
Diggstown, also known as Midnight Sting, is a 1992 American sports comedy film directed by Michael Ritchie, and stars James Woods, Louis Gossett, Jr., Bruce Dern, Heather Graham, Oliver Platt and Randall "Tex" Cobb, with a small cameo of the comedian, musician, singer and Late Night with David Letterman band leader Paul Shaffer.
André Lauren Benjamin (born May 27, 1975), better known by his stage name André 3000 (formerly known as André), is an American singer, producer and actor, best known for being part of hip hop duo Outkast alongside fellow rapper Big Boi.
 As an actor, Benjamin has made appearances in a number of TV series and films, including "Families", "The Shield", "Be Cool", "Revolver", "Semi-Pro", "Four Brothers", and the leading role of Jimi Hendrix in "All Is by My Side".

Question: Which American singer stars in the 2008 sports comedy Semi-Pro
Answer: André Lauren Benjamin