The official trailer for UFC 121 is here, and if it doesn’t get you excited you may also not have a pulse. Heavyweight, Brock Lesnar will be protecting his title from undefeated, Cain Velasquez. Jake Shields makes his UFC debut against “The Hitman”, Martin Kampmann. Also not mentioned is the return of the Huntington Beach Bad boy, Tito Ortiz, fighting Matt “The Hammer” Hamill.