Jeffrey Cobb (born July 11, 1982) is an American professional wrestler, currently signed to Ring of Honor, where he is a former ROH World Television Champion.
He is also known for his work in New Japan Pro-Wrestling, where he is a former NEVER Openweight Champion.
He was formerly signed to Lucha Underground, where he worked under a mask and the ring name Matanza Cueto (or simply Matanza).
Cobb also works for promotions on the independent circuit, most notably Pro Wrestling Guerrilla (PWG), where he is the current PWG World Champion in his first reign.
He is also the winner of PWG's 2018 Battle of Los Angeles tournament and a former one-time World Tag Team Champion with Matthew Riddle (as The Chosen Bros).
Cobb also holds numerous other titles in various independent promotions.
As an amateur wrestler, Jeff Cobb represented Guam at the 2004 Summer Olympics, where he became the nation's flag bearer in the opening ceremony and competed in the men's light heavyweight freestyle category.
He transitioned to professional wrestling in 2009.