Jake Shields is a Cesar Gracie fighter with links to the Fairtex Gym who also started out training at Chuck Liddell's SLO kickboxing. He currently trains with the Diaz brothers and Gilbert Melendez.

He is a black belt in BJJ and All-American wrestler, making his grappling skills of the highest calibre.

His accomplishments include the Shooto middleweight title, the EliteXC welterweight title and the Rumble on the Rock welterweight title. Notable wins over Hayato Sakurai, Robbie Lawler, Paul Daley and Yushin Okami make up part of his strong resume and he will take on Jason 'Mayhem' Miller for the Strikeforce middleweight title.