World Extreme Cagefighting Champions Division Champion Defeated Date Event Super Heavyweight Over 265 Ron Waterman © New James Nevarez August 9, 2003 WEC 7 Super Heavyweight Over 265 Ron Waterman © Def Ricco Rodriguez August 18, 2005 WEC 16 Division Champion Defeated Date Event Heavyweight 206 to 265 James Irvin © New Jody Poff August 20, 2004 WEC 11 Heavyweight 206 to 265 James Irvin © Def Houssain Oushani October 21, 2004 WEC 12 Heavyweight 206 to 265 James Irvin © Def Doug Marshall May 19, 2005 WEC 15 Heavyweight 206 to 265 Brian Olsen © New Lavar Johnson January 13, 2006 WEC 18 Heavyweight 206 to 265 Brian Olsen © Def Mike Kyle May 5, 2006 WEC 20 Division Champion Defeated Date Event Light Heavyweight 186 to 205 Frank Shamrock © New Bryan Pardoe March 27, 2003 WEC 6 Light Heavyweight 186 to 205 Jason Lambert © New Richard Montoya January 22, 2005 WEC 13 Light Heavyweight 186 to 205 Scott Smith © New Tait Fletcher October 14, 2005 WEC 17 Light Heavyweight 186 to 206 Scott Smith © Def Justin Levens January 13, 2006 WEC 18 Light Heavyweight 186 to 206 Lodune Sincaid © New Dan Molina May 5, 2006 WEC 20 Light Heavyweight 186 to 206 Doug Marshall © New Lodune Sincaid August 17, 2006 WEC 23 Light Heavyweight 186 to 206 Doug Marshall © Def Justin McElfresh May 12, 2007 WEC 27 Light Heavyweight 186 to 206 Doug Marshall © Def Ariel Gandulla December 12, 2007 WEC 31 Light Heavyweight 186 to 206 Brian Stann © New Doug Marshall March 26, 2008 WEC 33 Light Heavyweight 186 to 206 Steve Cantwell © New Brian Stann August, 3 2008 WEC 35 Division Champion Defeated Date Event Middleweight 171 to 185 Chris Leben © New Mike Swick January 16, 2004 WEC 9 Middleweight 171 to 185 Joe Riggs © New Rob Kimmons May 19, 2005 WEC 15 Middleweight 171 to 185 Paulo Filho © New Joe Doerksen August 5, 2007 WEC 29 Middleweight 171 to 185 Paulo Filho © Def Chael Sonnen December 12, 2007 WEC 31 Division Champion Defeated Date Event Middleweight 171 to 185 Nick Diaz © New Joe Hurley March 27, 2003 WEC 6 Middleweight 171 to 185 Shonie Carter © New J.T. Taylor August 9, 2003 WEC 7 Middleweight 171 to 185 Karo Parisyan © New Shonie Carter May 21, 2004 WEC 10 Middleweight 171 to 185 Mike Pyle © New Bret Bergmark October 14, 2005 WEC 17 Middleweight 171 to 185 Mike Pyle © Def Shonie Carter January 13, 2006 WEC 18 Middleweight 171 to 185 Carlos Condit © New John Alessio March 24, 2007 WEC 26 Middleweight 171 to 185 Carlos Condit © Def Brock Larson August 5, 2007 WEC 29 Middleweight 171 to 185 Carlos Condit © Def Carlo Prater February 13, 2008 WEC 32 Middleweight 171 to 185 Carlos Condit © Def Hiromitsu Miura August 3, 2008 WEC 35 Division Champion Defeated Date Event Welterweight 156 to 170 Nick Diaz © New Joe Hurley March 27, 2003 WEC 6 Welterweight 156 to 170 Karo Parisyan © New Joe Hurley May 21, 2004 WEC 10 Welterweight 156 to 170 Mike Pyle © New Bret Bergmark October 14, 2005 WEC 17 Welterweight 156 to 170 Mike Pyle Shonie Carter January 13, 2006 WEC 18 Welterweight 156 to 170 Carlos Condit © New John Alessio March 24, 2007 WEC 26 Welterweight 156 to 170 Carlos Condit © Def Brock Larson August 5, 2007 WEC 29 Welterweight 156 to 170 Carlos Condit © Def Carlo Prater February 13, 2008 WEC 32 Welterweight 156 to 170 Carlos Condit © Def Hiromitsu Miura August 3, 2008 WEC 35 Division Champion Defeated Date Event Lightweight 146 to 155 Gilbert Melendez © New Olaf Alfonso May 21, 2004 WEC 10 Lightweight 146 to 155 Gabe Ruediger © New Steve Ramirez August 20, 2004 WEC 11 Lightweight 146 to 155 Gabe Ruediger © Def Jason Maxwell March 17, 2005 WEC 14 Lightweight 146 to 155 Gabe Ruediger © Def Sam Wells October 14, 2005 WEC 17 Lightweight 146 to 155 Hermes Franca © New Gabe Ruediger March 17, 2006 WEC 19 Lightweight 146 to 155 Hermes Franca © Def Brandon Olsen June 15, 2006 WEC 21 Lightweight 146 to 155 Hermes Franca © Def Nate Diaz October 12, 2006 WEC 24 Lightweight 146 to 155 Rob McCullough © New Kit Cope January 20, 2007 WEC 25 Lightweight 146 to 155 Rob McCullough © Def Richard Crunkilton September 5, 2007 WEC 30 Lightweight 146 to 155 Jamie Varner I© New Rob McCullough February 13, 2008 WEC 32 Lightweight 146 to 155 Jamie Varner I© Def Marcus Hicks August 3, 2008 WEC 35 Lightweight 146 to 155 Jamie Varner I© Def Donald Cerrone January 25, 2009 WEC 38 Lightweight 146 to 155 Benson Henderson I© Donald Cerrone October 10, 2009 WEC 43 Lightweight 146 to 155 Benson Henderson © New Jamie Varner I© January 10, 2010 WEC 46 Lightweight 146 to 155 Benson Henderson © Def Donald Cerrone April 10, 2010 WEC 48 Lightweight 146 to 155 Anthony Pettis © New Benson Henderson © December 16, 2010 WEC 53 Division Champion Defeated Date Event Featherweight 136 to 145 Cole Escovedo © New Philip Perez October 18, 2002 WEC 5 Featherweight 136 to 145 Cole Escovedo © Def Anthony Hamlett October 17, 2003 WEC 8 Featherweight 136 to 145 Urijah Faber © New Cole Escovedo March 17, 2006 WEC 19 Featherweight 136 to 145 Urijah Faber © Def Joe Pearson January 20, 2007 WEC 25 Featherweight 136 to 145 Urijah Faber © Def Dominick Cruz March 24, 2007 WEC 26 Featherweight 136 to 145 Urijah Faber © Def Chance Farrar June 3, 2007 WEC 28 Featherweight 136 to 145 Urijah Faber © Def Jeff Curran December 12, 2007 WEC 31 Featherweight 136 to 145 Urijah Faber © Def Jens Pulver June 1, 2008 WEC 34 Featherweight 136 to 145 Mike Brown © New Urijah Faber November 5, 2008 WEC 36 Featherweight 136 to 145 Mike Brown © Def Leonard Garcia March 1, 2009 WEC 39 Featherweight 136 to 145 Mike Brown © Def Urijah Faber June 7, 2009 WEC 41 Featherweight 136 to 145 Jose Aldo © New Mike Brown © November 18, 2009 WEC 44 Featherweight 136 to 145 Jose Aldo © Def Urijah Faber April 24, 2010 WEC 48 Featherweight 136 to 145 Jose Aldo © Def Manny Gamburyan September 30, 2010 WEC 51 Division Champion Defeated Date Event Bantamweight 126 to 135 Eddie Wineland © New Antonio Banuelos May 5, 2006 WEC 20 Bantamweight 126 to 135 Chase Beebe © New Eddie Wineland © March 24, 2007 WEC 26 Bantamweight 126 to 135 Chase Beebe © Def Rani Yahya September 5, 2007 WEC 30 Bantamweight 126 to 135 Miguel Torres © New Chase Beebe February 13, 2008 WEC 32 Bantamweight 126 to 135 Miguel Torres © Def Yoshiro Maeda June 1, 2008 WEC 34 Bantamweight 126 to 135 Miguel Torres © Def Manny Tapia December 3, 2008 WEC 37 Bantamweight 126 to 135 Miguel Torres © Def Takeya Mizugaki April 5, 2009 WEC 40 Bantamweight 126 to 135 Brian Bowles © New Miguel Torres August 9, 2009 WEC 42 Bantamweight 126 to 135 Dominick Cruz © New Brian Bowles March 6, 2010 WEC 47 Bantamweight 126 to 135 Dominick Cruz © Def Joseph Benavidez August 18, 2010 WEC 50 Bantamweight 126 to 135 Dominick Cruz © Def Scott Jorgensen December 16, 2010 WEC 53.