Middleweight Charles Byrd became the first fighter to win twice on Dana White’s Contender Series after submitting short-notice replacement Randall Wallace . Byrd toughed it out after Wallace set up a rear-naked choke in the first, returning the favor at the 2:03 mark of the second frame in the headliner of Dana White’s Contender Series 6 on Tuesday. For his troubles, Wallace was one of two fighters to earn a UFC contract