MEMPHIS -- Justin Wren, who was a cast member of the most recent season of The Ultimate Fighter and who lost his UFC debut in a split-decision at the TUF 10 Finale last Saturday, was cut by the UFC, a source confirmed to FanHouse on Thursday. Wren, who is just 22 years old, did well during TUF, submitting Wes Sims in his first-round matchup before dropping a tight majority decision to eventual TUF champ Roy Nelson in the quarterfinals. Wren (8-2 overall), lost on Saturday to Jon Madsen in a close contest. In another piece of UFC news, Tim Credeur has been forced to withdraw from his Jan. 11 ...