Johnson left the UFC in 2018 when he was traded to ONE Championship for Ben Askren. Johnson officially retired last year with ...

Mark Kerr, 56, is from Toledo, Ohio, and was a force in early MMA. He won UFC heavyweight tournaments at UFC 14 and 15 in 1997, beating Moti Horenstein, Dan Bobish, Greg Stott, and Dwayne Cason.

The Smashing Machine chronicles the life and battles of Mark Kerr — a two-time UFC Heavyweight Tournament Champion whose career was marked not only by victory, but by personal struggles with ...