(IFL, Strikeforce, UFC) George Sotiropoulos - (K-1, Shooto, UFC, Titan FC) Greg Soto - (UFC) Joe Soto - (Bellator, PFC, TPF, UFC) Bobby Southworth - (Strikeforce, UFC, PRIDE) Cristiano Souza - (Bellator) Kevin Souza - (UFC, Jungle Fight) Ronaldo Souza - (UFC, Strikeforce, DREAM, Jungle Fight) Andreas Spång - (Bellator, MFC, Strikeforce) Chris Spång - (Strikeforce, UFC) Ron Sparks - (Bellator) Tom Speer - (WEC, UFC) Sean Spencer - (UFC, Bellator) Mario Sperry - (Cage Rage, PRIDE) Eric Spicely - (UFC) Ben Spijkers - (Shooto) Waachiim Spiritwolf - (Bellator, Strikeforce, KOTC, TPF) Daniel Spitz - (UFC, KOTC) Dan Spohn - (Bellator, UFC) Tyrone Spong - (WSOF) Jeremy Spoon - (Bellator, KOTC) Pete Spratt - (MFC, Strikeforce, UFC) Ron Stallings - (Strikeforce, UFC) Brian Stann - (WEC, UFC) Josh Stansbury - (UFC, Bellator) Martin Stapleton - (Bellator, Cage Rage) Clifford Starks - (UFC, Bellator, WSOF) Kalib Starnes - (UFC, WSOF, Titan FC) Steve Steinbeiss - (WEC, UFC, Bellator) Akop Stepanyan - (Bellator, M-1) Jeremy Stephens - (UFC) Aljamain Sterling - (UFC) Joe Stevenson - (KOTC, UFC) Trevor Stewardson - (KOTC) Darren Stewart - (UFC, CWFC) Luke Stewart - (Strikeforce) Alex Stiebling - (WEC, Pancrase, PRIDE, UFC, WFA) Tyler Stinson - (Strikeforce, Bellator, WSOF, Titan FC) Ken Stone - (UFC, WEC) Rick Story - (UFC) Sam Stout - (UFC) Georges St-Pierre - (UFC) Ovince St. Preux - (XFC, Strikeforce, UFC) Dave Strasser - (UFC, M-1, Cage Rage, Shooto) Daniel Mason-Straus - (Bellator) Gerald Strebendt - (PRIDE, KOTC, UFC, Cage Rage, CWFC) Sean Strickland - (KOTC, UFC) Hans Stringer - (UFC, WSOF, Shooto) Stefan Struve - (UFC, M-1) Masanori Suda - (DEEP, Pride, Shooto) Genki Sudo - (K-1, K-1 Hero's, RINGS, Pancrase, UFC) Takashi Sugiura - (Pancrase, PRIDE) George Sullivan - (UFC) Amar Suloev - (M-1, Pancrase, PRIDE FC, UFC) Mitsuhisa Sunabe - (Pancrase, DEEP) Jason Suttie - (PRIDE) Masato Suzuki - (Shooto) Minoru Suzuki - (DEEP, Pancrase) Nobutatsu Suzuki - (VTJ, OneFC) Shinichi "Wakakirin Shinichi" Suzukawa Cub Swanson - (UFC, WEC, KOTC) Mike Swick - (UFC, WEC) Tim Sylvia - (UFC, Affliction, Adrenaline MMA, OneFC, Titan FC) T Noboru Tahara - (Shooto, Pancrase) Joe Taimanglo - (Bellator) Mairbek Taisumov - (M-1, UFC) Jesse Taitano - (Shooto, VTJ) Nobuhiko Takada - (PRIDE) Kazuo Takahashi - (Pancrase, Sengoku, PRIDE, UFC, K-1 Hero's) Daiju Takase - (DEEP, Pancrase, Adrenaline MMA, PRIDE, UFC) Hiroyuki Takaya - (Shooto, K-1 Hero's, WEC, DREAM, Strikeforce, VTJ) Yoshihiro Takayama -