UFC 164 Photos Anthony Pettis enters the Octagon during UFC 164 on Saturday night in Milwaukee.

UFC 164 Photos Benson Henderson makes his way to the Octagon during UFC 164 on Saturday night in Milwaukee.

UFC 164 Photos Benson Henderson gets ready for his fight during UFC 164 on Saturday night in Milwaukee.

UFC 164 Photos Bruce Buffer introduces Anthony Pettis during UFC 164 on Saturday night in Milwaukee.

UFC 164 photos Benson Henderson is introduced during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 Photos Anthony Pettis kicks Benson Henderson during UFC 164 on Saturday night in Milwaukee.

UFC 164 Photos Anthony Pettis kicks Benson Henderson during UFC 164 on Saturday night in Milwaukee.

UFC 164 Photos Anthony Pettis kicks Benson Henderson during UFC 164 on Saturday night in Milwaukee.

UFC 164 photos Anthony Pettis cracks Benson Henderson with a left during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Anthony Pettis misses with a left hook during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Anthony Pettis ties up with Benson Henderson during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Anthony Pettis works from guard during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Anthony Pettis tries to armbar during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 Photos Anthony Pettis battles Benson Henderson on the ground during UFC 164 on Saturday night in Milwaukee.

UFC 164 Photos Anthony Pettis submits Benson Henderson during UFC 164 on Saturday night in Milwaukee.

UFC 164 Photos Anthony Pettis lets go of the armbar after Benson Henderson verbally taps during UFC 164 on Saturday night in Milwaukee.

UFC 164 Photos Anthony Pettis celebrates his win during UFC 164 on Saturday night in Milwaukee.

UFC 164 Photos Anthony Pettis celebrates his win during UFC 164 on Saturday night in Milwaukee.

UFC 164 Photos Anthony Pettis gets the lightweight belt during UFC 164 on Saturday night in Milwaukee.

UFC 164 Photos Anthony Pettis shows off his new belt during UFC 164 on Saturday night in Milwaukee.

UFC 164 Photos Anthony Pettis flexes after winning the title during UFC 164 on Saturday night in Milwaukee.

Anthony Pettis and brother Sergio Anthony Pettis celebrates his win with his brother Sergio, and yells out 414, the Milwaukee area code, at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Anthony Pettis and his mother walk out with the UFC belt during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Anthony Pettis poses for pictures during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos New champ Anthony Pettis shows off his UFC belt at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Josh Barnett enters the cage during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Josh Barnett enters the cage during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Josh Barnett eats an uppercut during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Josh Barnett drives a knee into Frank Mir during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Josh Barnett tags Frank Mir with a knee during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Josh Barnett lands a right during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Josh Barnett lands more knees during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Josh Barnett knees Frank Mir's face during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Referee Rob Hinds stops the Josh Barnett-Frank Mir fight during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Frank Mir listens to the referee explain his reasons for the stoppage during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Josh Barnett mimics the throat slash during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Josh Barnett poses for pictures during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Octagon girls Brittney Palmer and Arianny Celeste during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Josh Barnett is declared the winner during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Chad Mendes enters the cage during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Clay Guida is introduced during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Chad Mendes lands a right during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Chad Mendes and Clay Guida wildly exchange during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Chad Mendes lands a direct left during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Chad Mendes lands a right hand on Clay Guida during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Chad Mendes works a tight waist on Clay Guida during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Chad Mendes celebrates his victory during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Chad Mendes reacts to his victory during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Chad Mendes is interviewed by Joe Rogan during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Clay Guida walks to the locker room during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Ben Rothwell knees Brandon Vera during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Ben Rothwell tries to finish Brandon Vera during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Ben Rothwell hammers Brandon Vera during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Brandon Vera tries to survive during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Ben Rothwell screams in delight during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Ben Rothwell is declared the winner over Brandon Vera during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Dustin Poirier enters the cage during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Erik Koch enters the cage during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Erik Koch gives the thumbs up during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Dustin Poirier fires a left hand during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Erik Koch is clocked by Dustin Poirier during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Erik Koch tries to recover during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Erik Koch tries to finish a triangle choke during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Dustin Poirier clinches with Erik Koch during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Erik Koch tries to recover during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Dustin Poirier pounds on Erik Koch during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Dustin Poirier tries to finish with a d'arce choke during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Octagon girl Brittney Palmer during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Erik Koch and Dustin Poirier exchange punches during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Dustin Poirier tries to score a rear naked choke during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Dustin Poirier lands a hard elbow on Erik Koch during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Erik Koch ends up on top of Dustin Poirier during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Erik Koch tries to work a submission during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Erik Koch and Dustin Poirier embrace after their fight during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Dustin Poirier is declared the winner during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

Arianny Celeste Octagon girl Arianny Celeste during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Jamie Varner gets ready to fight during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Gleison Tibau takes Jamie Varner down during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Jamie Varner jabs Gleison Tibau during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Jamie Varner takes down Gleison Tibau during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Jamie Varner pounds on Gleison Tibau during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Gleison Tibau reacts after the fight with Jamie Varner during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Louis Gaudinot screams as he's introduced during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Tim Elliot enters the cage during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Tim Elliot jabs Louis Gaudinot during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Tim Elliot drills Louis Gaudinot during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Tim Elliot bangs on Louis Gaudinot during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Tim Elliot scores with a flying knee during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

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UFC 164 photos Tim Elliot grinds Louis Gaudinot's face during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Louis Gaudinot indicates the submission isn't close during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Tim Elliot tries to finish from mount during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Tim Elliot raises his hands during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Tim Elliot raises his hands during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Hyun Gyu Lim and Pascal Krauss exchange strikes during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Pascal Krauss beats Hyun Gyu Lim to the punch during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Hyun Gyu Lim goes after Pascal Krauss on the ground during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Hyun Gyu Lim lands a right hand during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Pascal Krauss cracks Hyun Gyu Lim with a right hand during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Pascal Krauss and Hyun Gyu Lim exchange punches during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Hyun Gyu Lim tries to finish Pascal Krauss during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Pascal Krauss goes limp during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Hyun Gyu Lim signals victory during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Hyun Gyu Lim post fight during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Chico Camus walks to the cage during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Kyung Ho Kang tries to double leg Chico Camus during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Kyung Ho Kang fires a right hand at Chico Camus during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Chico Camus fires a right hand at Kyung Ho Kang during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Chico Camus dives at Kyung Ho Kang during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Chico Camus' diving punch lands during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Chico Camus tries to submit Kyung Ho Kang during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Octagon girl Brittney Palmer during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Chico Camus connects with a right hand during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Kyung Ho Kang lands a right elbow on Chico Camus during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Chico Camus is declared the winner during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Soa Palelei squares up during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

Soa Palelei vs Nikita Krylov Soa Palelei bangs on Nikita Krylov from mount during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Soa Palelei tries to rest between rounds during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Soa Palelei bangs on Nikita Krylov from mount during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

Soa Palelei knocks out Nikita Krylov during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Soa Palelei is declared the winner over Nikita Krylov during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Al Iaquinta tags Ryan Couture with a right hand during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Al Iaquinta takes down Ryan Couture during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Al Iaquinta lands a hard right on Ryan Couture during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Ryan Couture scores with a body kick during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Al Iaquinta bombs on Ryan Couture during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Al Iaquinta scores with more right hands during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Ryan Couture tries to cover up during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Al Iaquinta is declared the winner during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Jared Hamman misses with a jab during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Magnus Cedenblad finishes a guillotine choke from mount during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Magnus Cedenblad is stopped by the referee during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

UFC 164 photos Magnus Cedenblad celebrates his quick victory during 164 at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.

Nikita Krylov vs Soa Palelei Nikita Krylov returns fire against Soa Palelei at the BMO Harris Bradley Center in Milwaukee, WI on Saturday, August 31, 2013.