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 “The Rock” Johnson steps out of the WWE ring and into the UFC Octagon in a new trailer for The Smashing Machine, where he portrays UFC icon Mark Kerr. Benny Safdie wrote and directed the movie, which also features Emily Blunt, Ryan Bader, Bas Ritten, and Oleksandr Usyk.