Redbelt

A fateful event leads to a job in the film business for top mixed-martial arts instructor Mike Terry. Though he refuses to participate in prize bouts, circumstances conspire to force him to consider entering such a competition.

Redbelt is a 2008 drama sport movie directed by David Mamet, starring Tim Allen, Max Martini, Chiwetel Ejiofor. It holds an IMDb rating of 6.7/10 from 21,966 votes and runs 1h 39m.