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Aaron Simpson

Nickname A-Train Birthdate 7/20/1974
Height / Weight 6'0" - 170lbs Place of Birth Gunnison, Colorado, United States

A former two-time NCAA All-American wrestler out of Arizona State University, Aaron Simpson was the winner of his first seven mixed martial arts bouts before falling to Chris Leben at The Ultimate Fighter Finale. He has won Knockout of the Night honors for his dispatching of Tim McKenzie and Fight of the Night honors for his bout with Tom Lawlor.

UFC 136 Results: Aaron Simpson defeats Eric Schafer by unanimous decision (30-27 x3).

Last Fight

UFC 123: Jackson vs. Machida

Nov 20, 2010 10:00 PM EST
Aaron Simpson vs Mark Munoz

Josh Burkman: Jon Fitch probably 'unintentionally' underestimated me, didn't 'understand how much I have improved'

Days after Josh Burkman choked out Jon Fitch in under a minute at WSOF 3, "The People’s Warrior" says the former No. 1 Ultimate Fighting Championship (UFC) welterweight contender unintentionally underestimated him. Do you think that was the case?

Josh Burkman discusses 'harsh' Mazzagatti criticism, career rebirth after beating Jon Fitch

After his biggest win in years, Josh Burkman explained what was behind his late-career surge and commented on the shots taken at referee Steve Mazzagatti after he failed to see Jon Fitch had been choked unconscious.

WSOF 3 results recap: Josh Burkman vs Jon Fitch fight review and analysis

MMAmania's Brian Hemminger takes a look back at last night's World Series of Fighting 3 main event between Josh Burkman and Jon Fitch. What helped Burkman pull off the upset? Find out inside.

WSOF 3 Results: Josh Burkman stuns Jon Fitch in 41 seconds

Josh Burkman scored one of the biggest upsets of the year by finishing top ten welterweight Jon Fitch in the main event of the third World Series of Fighting show in Las Vegas.

WSOF 3 fight card: Jon Fitch vs Josh Burkman preview

MMAmania's Brian Hemminger takes a closer look at tomorrow night's WSOF 3 main event between Jon Fitch and Josh Burkman. What's the key to victory for both welterweights? Find out inside.

PETA Launches 'Cage Fight: Knock Out Animal Abuse' with Jake Shields

It's not EA sports, it's PETA sports! The animal rights organization has launched an MMA themed flash game starring Jake Shields.

Morning Report: Jose Aldo agrees Anthony Pettis is 'cutting in line,' intends to challenge for lightweight belt with win

Like Chan Sung Jung and Ricardo Lamas before him, Jose Aldo believes Anthony Pettis is 'cutting in line' -- and he intends to do the same after he defends his belt.

Jake Shields, Aaron Simpson and Georgi Karakhanyan take on animal abusers in PETA video game

Jake Shields is battling more than upcoming opponent Tyron Woodley, taking on animal abusers in PETA's "Cage Fight" online video game. Check it out inside.

World Series of Fighting 3 media conference call LIVE updates today (June 6) for 'Fitch vs Burkman'

MMAmania will be live on hand to provide all the latest updates and information from today's World Series of Fighting 3 media conference call featuring headliners Jon Fitch, Josh Burkman and more.

Bubba McDaniel vs. Brad Tavares set for UFC on FOX Sports 1 (2) event in Indianapolis

TUF 17 grad Bubba McDaniel will look to make it two in a row against Brad Tavares at the second UFC on FOX Sports 1 event on Aug. 28, 2013 from the Bankers Life Fieldhouse in Indianapolis, Indiana.

UFC on FUEL TV 10 'Prelims' preview and predictions for 'Nogueira vs Werdum 2' fights on Facebook (Pt. 2)

UFC on FUEL TV 10 "Prelims" predictions, preview of top 3 (of 7) under card fights on Facebook on June 8, 2013: Assuncao vs. Lee, Brunson vs. Markes and Arantes vs. Godofredo Pepey at Paulo Sarasate Arena in Fortaleza, Brazil.

Kenny Robertson in for injured T.J. Waldburger against Sean Pierson at UFC 161

Submission ace T.J. Waldburger is out of his UFC 161 bout with Sean Pierson due to injury. Filling in on late notice will be UFC 157 Submission of the Night winner Kenny Robertson.

Report: Mike Pierce vs. David Mitchell added to UFC 162 in Las Vegas

UFC 162 fight card update: Mike Pierce and David Mitchell are set to collide in a 170-pound battle at the MGM Grand Garden Arena in Las Vegas, Nevada on July 6, 2013.

World Series of Fighting (WSOF) scraps title fight plans, focuses on 'fun fights for fans’

World Series of Fighting senior executive vice president, Al Abdel-Aziz, says the upstart MMA promotion has no plans on implementing division titles in the near future, choosing to put all their efforts in pleasing fans with "fun fights," first.

Josh Burkman vs. Jon Fitch non-title fight headlines WSOF 3 on June 14 in Las Vegas

Belt? What belt? Josh Burkman takes on fellow ZUFFA castaway Jon Fitch in the non-title main event of World Series of Fighting (WSOF) 3, which is scheduled for June 14, 2013 in Las Vegas, Nevada.

Jon Fitch vs. Josh Burkman non-title bout to headline World Series of Fighting 3

Jon Fitch's World Series of Fighting debut is set.

MMA Roundtable: Diaz's appeal, WSOF 2 reviews, best fights of '13 so far, and more

Luke Thomas and Mike Chiappetta debate Nick Diaz's UFC 158 complaints, WSOF 2, the best of the UFC this year so far and more.

WSOF viewership shows slight increase over first effort

The World Series of Fighting saw viewership increase from 198,000 on the first show to 210,000 on the second event, which took place on Saturday night.

WSOF 2 results recap: Josh Burkman vs Aaron Simpson fight review and analysis

MMAmania's Brian Hemminger takes a look back at last night's WSOF 2 main card bout between veteran welterweights Josh Burkman and Aaron Simpson. What helped Burkman defeat his third straight UFC veteran? Find out inside.

WSOF shows different strategy from Bellator in second show

The second World Series of Fighting show built itself around a number of stars from more than five years ago. But when the show was over, it was names few had heard of that were the most impressive.
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