Cameron Diffley, a Brazilian jiu-jitsu black belt, is included. Diffley served as an instructor when Forrest Griffin was a coach on TUF.
Bristol Marunde is another one of the 32 fighters featured, as he has competed for Strikeforce most recently. The series begins September 14 with a two-hour special on FX. Sixteen of the 32 welterweights will advance to the house as the single-eliminator tournament begins.
"So honored to be helping these guys," Carwin posted on Twitter. "I have an amazing team."
The finale for the show will be December 15 from Las Vegas. Carwin and Nelson, along with the finals in the welterweight tournament, will take place on FX from The Joint at the Hard Rock Hotel and Casino.
THE ULTIMATE FIGHTER: CARWIN VS. NELSON CAST
Bristol Marunde, 30, Las Vegas; Cameron Diffley, 27, Las Vegas; Colton Smith, 30, Fort Hood, Texas, via Ankeny, Iowa; Cortez Coleman, 30, Hugo, Okla.; David Michaud, 23, Pine Ridge, S.D.; Diego Bautista, 26, Lakewood, Calif.; Dom Waters, 23, Santa Rosa, Calif.; Eddy Ellis, 29, Olympia, Wash.; Frank Camacho, 23, Camp Springs, Md.; George Lockhart, 29, Atlanta, Ga.; Igor Araujo, 31, Albuquerque, N.M., via Patos De Minas, Brazil; James Chaney, 25, Klamath Falls, Ore.; Jason South, 34, West Jordan, Utah; Jerel Clark, 23, Reno, Nev.; Jesse Barrett, 26, Tempe, Ariz.; Joey Rivera, 32, Tucson, Ariz.
Jon Manley, 26, Ludlow, Mass.; Julian Lane, 25, Mansfield, Ohio; Kevin Nowaczyk, 23, Chicago; Leo Kuntz, 28, Bismarck, N.D.; Lev Magen, 25, Las Vegas; Matt Secor, 25, South Glens Falls, N.Y.; Max Griffin, 26, Sacramento, Calif.; Michael Hill, 25, Kelowna, British Columbia, Canada; Mike Ricci, 26, Montreal; Neil Magny, 24, Chicago; Nic Herron-Webb, 22, Anchorage, Alaska; Ricky Legere Jr., 26, Corona, Calif.; Saad Awad, 23, San Bernardino, Calif.; Sam Alvey, 26, Murrieta, Calif.; Tim Ruberg, 30, Harrison, Ohio; Zane Kamaka, 23, Klaianae, Hawaii.
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