and Mike Swick, but suffered a decision loss to Joe Doerksen. The Ultimate Fighter Leben was one of the most controversial and outspoken fighters on The Ultimate Fighter 1 due to his variously abrasive and melancholy personality. In the first episode, while intoxicated, he urinated on future teammate Jason Thacker's bed, and stole his pillow. One night when everyone in the household was drinking, Leben challenged Bobby Southworth to fight who then called Leben a "fatherless bastard" on account of Leben's father being absent during his childhood, requiring Leben being physically restrained from accosting Southworth. Leben then began sobbing and proceeded to sleep outside. After a heated confrontation precipitated by Josh Koscheck and Southworth spraying a sleeping Leben with a hose, Leben broke a door with his fist. After the confrontation, UFC president Dana White set up a match between Leben and Koscheck, which Leben lost by unanimous decision due to Koscheck's ability to score points by controlling Leben on the ground. Later in the show, teammate Nate Quarry was eliminated from the competition due to an ankle injury and was able to choose a previously eliminated fighter to replace him. He chose Leben, who was later defeated by Kenny Florian due to doctor stoppage in the first semi-final match after Florian opened a cut above Leben's eye with an elbow strike. His losses on the show are not on his professional record, as the fights were classified by Nevada as exhibition bouts due to the decisions of the bouts not being disclosed until the fights aired on the show rather than being posted immediately following the fights. Ultimate Fighting Championship On April 9, 2005, Leben fought Jason Thacker on the undercard of the live finale of The Ultimate Fighter 1. Thacker was not amused when he watched the show and found out Leben had used his bed as a urinal. Speaking with Dana White, Thacker demanded a match against Leben at the finale. The match was set up, and Leben won 95 seconds into the first round after referee stoppage due to strikes. Afterward, Leben apologized to Thacker for urinating on his bed, saying he had since given up drinking because of that sort of incident. After the show, Leben moved to Seattle, Washington, to train with AMC Pankration. He has competed in several UFC events since the show and is the only person to have fought in the