Spike TV Unveils TUF 12 Cast

T.J. O'Brien
Age: 23
Record: 14-3

O’Brien, out of Prole, Iowa, has pieced together a four-fight winning streak since his January 2009 submission loss to World Extreme Cagefighting veteran Chris Mickle. The 23-year-old has delivered 13 of his 14 career victories by submission, 10 of them by triangle choke. His most recent work came at Midwest Cage Championships 24 in January, when he coaxed a tapout from Jake Brown with a first-round keylock.