Dwayne "The Rock" Johnson transforms into MMA and UFC fighter Mark Kerr in Benny Safdie's A24 biopic "The Smashing Machine," releasing this fall.

A24 is previewing "The Smashing Machine," directed by Benny Safdie and starring Dwayne Johnson as MMA fighter and two-time UFC Heavyweight Tournament Champion Mark Kerr.

Dwayne Johnson is one of the biggest movie stars in the world. He's a face you see everywhere, and he's been in some of the biggest movie franchises of the modern day. Having said that, it's difficult to argue that The Rock's Hollywood career has become a bit stale.