In the footage, which you can watch above, Dwayne Johnson looks unrecognizable as MMA fighter and two-time UFC Heavyweight Tournament Champion Mark Kerr. We see Kerr in multiple fights, as well as talking about his ethos towards the sport. Johnson, of course, started out as a professional wrestler, so this seems like a role that was made for him.

Dwayne Johnson stars as former wrestler and UFC star Mark Kerr in a new trailer for Benny Safdie's "The Smashing Machine."

The trailer for Dwayne 'The Rock' Johnson's new movie The Smashing Machine has been released, and he's almost unrecognisable in it.The film, from prolific indie studio A24, sees the wrestler and actor play MMA fighter Mark Kerr,