Kapiolani Boulevard. He was released from custody after posting bail. Leben faced Brian Stann on January 1, 2011, at UFC 125 He lost the fight via TKO in the first round. After the fight between Leben and Stann, Leben's coach Burton Richardson says Leben's poor performance may have been caused by a sickness before the bout: "First, great job by Brian Stann. He never looked better. Many have commented that Chris was very slow and looked off last night. The truth is that Chris was sick. He had a fever and chills when he stepped into the cage. He was vomiting in the locker room before the fight, and after a hard warm up he didn't have a drop of sweat. Big heart to fight like that, but he was moving slow motion. He was very sharp in training. He will be back." On April 4, 2011, the UFC announced that Leben's next opponent would be Wanderlei Silva with the two scheduled to meet on July 2, 2011, at UFC 132. Leben knocked out Silva with consecutive uppercuts from the clinch, 27 seconds into the fight, resulting in the fastest knockout win in Leben's career. Leben faced Mark Muñoz on November 5, 2011, at UFC 138, losing by TKO at the 5:00 mark of the 2nd round due to a cut on his left eyebrow and left him unable to see and forced a corner stoppage. On November 28, 2011, Zuffa LLC, owner of the Ultimate Fighting Championship, released information stating that Leben tested positive for oxycodone and oxymorphone following his loss to Muñoz at UFC 138. As a result of the positive test, Leben was suspended from fighting for 1 year. Leben's return fight was expected to be against Karlos Vemola on December 29, 2012, at UFC 155. However, Vemola was forced out of the bout and replaced by promotional newcomer Derek Brunson. Leben was defeated via unanimous decision. Leben fought Andrew Craig and lost by split decision on July 6, 2013, at UFC 162. Leben faced Uriah Hall on December 28, 2013, at UFC 168. After almost being knocked out at the end of the first round, Leben told his corner that he was done, taking a TKO loss to Hall after the first round. UFC commentator Joe Rogan pointed out during the broadcast that Leben asked, "Was I knocked out?" as he was being led to his