Never Back Down is a 2008 martial arts film starring Sean Faris, Amber Heard, Cam Gigandet, and Djimon Hounsou. It was theatrically released on March 14, 2008. The film's tagline is "Win or lose... Everyone has their fight". Wikipedia
Max's Girl: (turns around) How well do you know Jake?
Max Cooperman: Ah, we're tight.
Max's Girl: Really...
Max Cooperman: Yeah, It's more of a professional relationship, though... I'm his trainer.