Former MMA fighter who was a Strikeforce Welterweight Champion, WEC Welterweight Champion, and IFC Welterweight Champion.
He developed impressive stamina while competing on his high school's swim team.
He became the first fighter in Strikeforce history to defend the Welterweight Championship 3 times before abandoning it to return to the UFC.
His brother Nate also became an MMA fighter in the UFC.
After losing via unanimous decision in a UFC Interim Welterweight Championship fight to Carlos Condit in February 2012, he was suspended for a year after marijuana metabolites were found in his post-fight drug test.