A number of MMA fighters are known for sporting some cool tattoos. But guys like Justin Gaethje probably have the worst ones in MMA history.

Dwayne Johnson is playing MMA and UFC fighter Mark Kerr in the biopic "The Smashing Machine."Johnson looks unrecognizable in the movie, appearing to wear a wig and prosthetics."The Smashing Machine," ...

Former bantamweight MMA champ Cody Garbrandt will look nearly unrecognizable when he returns at UFC Atlanta this June.