Jon Jones walks out Jon Jones walks to the cage during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones and Alexander Gustafsson face each other during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Alexander Gustafsson tags Jon Jones with a right during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones lands a jab on Alexander Gustafsson during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones scores with a head kick during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones eats a left hook from Alexander Gustafsson during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones lands a head kick on Alexander Gustafsson during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones lands a right hook on Alexander Gustafsson during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones absorbs a right hook during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones eats a jab from Alexander Gustafsson during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones connects with a body kick during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones dives for a leg during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones attempts a spinning back elbow during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Alexander Gustafsson tries to catch his breath during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones fires a jab at Alexander Gustafsson during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones eats a jab during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos A bloody Jon Jones tries to walk down Alexander Gustafsson during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones lands a head kick during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Alexander Gustafsson gets behind Jon Jones during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones drives a knee to the face of Alexander Gustafsson during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Alexander Gustafsson rests between rounds during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones is hit with a left hook during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones and Alexander Gustafsson trade punches during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones is nailed by an inside uppercut during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Alexander Gustafsson eats a head kick during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones defends a takedown from Alexander Gustafsson during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones connects with a flying knee during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones raises his hands after the fight during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Alexander Gustafsson's team raise his hand during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Alexander Gustafsson rests on his cornerman's shoulders during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Alexander Gustafsson is dejected after the decision is read during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones is declared the winner over Alexander Gustafsson during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones after the decision is read during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jon Jones is helped out of the Octagon during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 Photos Renan Barao kicks Eddie Wineland in the head during UFC 165 at the Air Canada Centre in Toronto on Sept. 21, 2013.

UFC 165 photos Eddie Wineland punches Renan Barao during UFC 165 at the Air Canada Centre in Toronto on Sept. 21, 2013.

UFC 165 Photos Renan Barao drops Eddie Wineland with a spinning back kick during UFC 165 at the Air Canada Centre in Toronto on Sept. 21, 2013.

UFC 165 Photos Renan Barao looks to finish Eddie Wineland during UFC 165 at the Air Canada Centre in Toronto on Sept. 21, 2013.

UFC 165 Photos Renan Barao celebrates his knockout win during UFC 165 at the Air Canada Centre in Toronto on Sept. 21, 2013.

UFC 165 Photos Renan Barao celebrates his knockout win during UFC 165 at the Air Canada Centre in Toronto on Sept. 21, 2013.

UFC 165 Photos Renan Barao celebrates his win during UFC 165 at the Air Canada Centre in Toronto on Sept. 21, 2013.

UFC 165 Photos Renan Barao defends his title during UFC 165 at the Air Canada Centre in Toronto on Sept. 21, 2013.

UFC 165 photos Matt Mitrione scores an inside leg kick on Brendan Schaub during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Brendan Schaub cracks Matt Mitrione with a right hand during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Brendan Schaub takes Matt Mitrione down during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Brendan Schaub tries to submit Matt Mitrione with a d'arce choke during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Brendan Schaub finishes Matt Mitrione with a d'arce choke during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Brendan Schaub celebrates his victory during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Brendan Schaub is declared the winner over Matt Mitrione during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Francis Carmont smothers Costa Philippou during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Francis Carmont double legs Costa Philippou during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Francis Carmont takes down Costa Philippou during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Francis Carmont gets corner advice from Georges St-Pierre during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Francis Carmont cracks Costa Philippou with a head kick during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Francis Carmont pounds on Costa Philippou against the fence during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Khabib Nurmagomedov walks to the cage during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Khabib Nurmagomedov and Pat Healy exchange strikes during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Pat Healy drives a right hook to the head of Khabib Nurmagomedov during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Khabib Nurmagomedov cracks Pat Healy with a left elbow during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Khabib Nurmagomedov lifts Pat Healy into the air during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Khabib Nurmagomedov drops Pat Healy to the mat during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Khabib Nurmagomedov is declared the winner over Pat Healy during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Mike Ricci walks to the Octagon during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Mike Ricci lands a body kick on Myles Jury during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Myles Jury dumps Mike Ricci on the mat during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Myles Jury holds Mike Ricci on the ground during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Myles Jury is declared the winner over Mike Ricci during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Wilson Reis flies through the air during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Wilson Reis elbows Ivan Menjivar from guard during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Wilson Reis takes down Ivan Menjivar during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Ivan Menjivar defends himself from guard during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Wilson Reis celebrates his perceived win over Ivan Menjivar during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Wilson Reis screams in delight during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Wilson Reis is declared the winner over Ivan Menjivar during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Octagon girl Arianny Celeste during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Stephen Thompson drills Chris Clements during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Chris Clements is taken down by Stephen Thompson during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Chris Clements and Stephen Thompson exchange punches during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Stephen Thompson drops Chris Clements during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Chris Clements slumps to the mat after being hit by Stephen Thompson during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Chris Clements drops to the ground during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Stephen Thompson walks away in victory during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Stephen Thompson is declared the winner over Chris Clements during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Mitch Gagnon tries to finish a guillotine on Dustin Kimura during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Dustin Kimura lands a body kick on Mitch Gagnon during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Dustin Kimura and Mitch Gagnon exchange strikes during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Dustin Kimura wings a left hook during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Mitch Gagnon and Dustin Kimura trade jabs during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Dustin Kimura attempts a heel hook on Mitch Gagnon during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Mitch Gagnon jumps guillotine during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Mitch Gagnon puts Dustin Kimura to sleep during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Mitch Gagnon celebrates his submission victory during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Mitch Gagnon is declared the winner over Dustin Kimura during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos John Makdessi lands a spinning back kick on Renee Forte during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos John Makdessi drops Renee Forte with a punch during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos John Makdessi follows up on a hurt Renee Forte during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos John Makdessi celebrates his win during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos John Makdessi screams in delight during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Renee Forte tries to regain himself during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Michael Prazeres doube legs Jesse Ronson to the mat during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Michel Prazeres works from the back of Jesse Ronson during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Michel Prazeres works from the back of Jesse Ronson during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jesse Ronson kicks the legs of Michel Prazeres during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Jesse Ronson cracks Michel Prazeres during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Michel Prazeres is declared the winner over Jesse Ronson by split decision during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Alex Caceres tries to land a quick head kick during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Alex Caceres tags Roland Delorme with a knee during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Roland Delorme scores with a jab on Alex Caceres during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Alex Caceres scores a left hook on Roland Delorme during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Alex Caceres lands a jab on Roland Delorme during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.

UFC 165 photos Daniel Omielanczuk lands a left high kick on Nandor Guelmino during UFC 165 at the Air Canada Centre in Toronto, Ontario, Canada, on Saturday, September 21, 2013.