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T.J. O'Brien

Nickname The Spider Birthdate --
Height / Weight 6'2" - 155 Place of Birth --

T.J. O'Brien is a huge lightweight, standing 6'2" tall. He compiled a 16-3 record before being signed to the UFC to compete at UFC 123. All of his career wins had come by way of submission, but oddly so did all three losses.

Last Fight

UFC 123: Jackson vs. Machida

Nov 20, 2010 10:00 PM EST
Paul Kelly vs T.J. O'Brien

WSOF 2 Live Blog: Gesias Cavalcante vs. Justin Gaethje

Check out the WSOF 2 live blog for the Cavalcante vs. Gaethje fight on the WSOF 2 fight card on Saturday night.

World Series of Fighting (WSOF) 2 predictions, preview and quick picks for 'Arlovski vs. Johnson'

World Series of Fighting (WSOF) is back with its sophomore effort tomorrow night (March 23, 2013) in Atlantic City, New Jersey, and Nostradumbass is dropping his quick picks on the main card fights inside. Come and see!

Signal to Noise: RFA 4's upside, WSOF's future and the MMA weekend's best and worst

It was the best of MMA weekends, it was the worst of MMA weekends. From the irrational decision to not make the RFA 4 preliminary fights available somewhere to the incredible knockout win by Anthony Johnson, there was much to like as well as dislike.

WSOF 1 payouts and salaries: Andrei Arlovski on top with $60,000 payday

It may have been the promotion's mixed martial arts (MMA) debut but World Series of Fighting paid its fighters fairly well for the WSOF 1: "Arlovski vs. Cole" event last night (Nov. 3, 2012) in Las Vegas, Nevada.

Andrei Arlovski tops World Series of Fighting 1 payouts

The former UFC heavyweight champion was the top earner on Saturday night's inaugural WSOF event, pulling in a total of $60,000 for his first-round TKO of Devin Cole.

World Series of Fighting payout list topped by Andrei Arlovski's $60k

Full list of initial payouts for the debut show of the World Series of Fighting.

WSOF 1 results and LIVE fight coverage for 'Arlovski vs. Cole' on NBC Sports Network tonight

World Series of Fighting (WSOF) kicks things off with its inaugural event on the NBC Sports Network, featuring several UFC veterans and other notables. MMAmania.com will provide LIVE coverage with play-by-play results and updates all night!

World Series of Fighting 1 weigh in results and video LIVE today (Nov. 2) from Las Vegas

MMAmania.com has cmplete weigh-in results and live coverage from Planet Hollywood in Las Vegas, Nevada, for World Series of Fighting (WSOF) 1, going down tomorrow night in "Sin City."

World Series of Fighting: Preliminary card preview, analysis and match-up Dissection

Previewing the sturdy WSOF undercard: Ronys Torres vs. Brian Cobb, Gerald Harris vs. Josh Burkman, David Branch vs. Dustin Jacoby plus recognizable names like "JZ" Cavalcante and Waylon Lowe.

World Series of Fighting 1 card: Arlovski vs. Cole

Take a look at the current card for World Series of Fighting 1, scheduled for November 3rd in Las Vegas.

Breaking Down The UFC Lightweight Division

It's a lazy Saturday, so MMA Mania is giving you an in-depth look at each UFC division. We continue with the lightweight division.

UFC On FX 2: Fuel TV Preliminary Card Dissection (Part Two)

UFC On FX 2 - Fuel TV Preliminary Card Dissection: Part Two (preview and analysis)

UFC on FX 2: Kyle Noke vs Jared Hamman and Cole Miller vs Steven Siler likely for March 3

Ultimate Fighting Championship (UFC) reportedly adds Kyle Noke vs Jared Hamman and Cole Miller vs Steven Siler for its upcoming UFC on FX 2 event on March 3, 2012, scheduled for the AllPhones Arena in Sydney, Australia.

Titan Fighting Championships 20 Preview: The Return of Brett Rogers

Tonight is the return of Brett Rogers to Mixed Martial Arts. Find out how he matches up against Eddie Sanchez at Titan Fighting Championships 20.

UFC Fight Night 25 fight card: Jonathan Brookins vs Erik Koch preview

UFC Fight Night 25 fight card: Jonathan Brookins vs Erik Koch preview

UFC On Versus 5 Payroll: Chris Lytle ($70,000), Ed Herman ($52,000) Night's Big Earners

Fighter salaries for ‘UFC on Versus 5' were released Thursday morning by the Wisconsin Department of Safety and Professional Services (WDSPS). The total reported payroll for the event was $578,000.

UFC On Versus 5 Medical Suspensions: Jim Miller, Amir Sadollah, Four Others Out Indefinitely

13 fighters received medical suspensions following their performances at UFC on Versus 5. Indefinite suspensions were handed down to six, including main card participants Jim Miller and Amir Sadollah.

UFC on Versus 5: Chris Lytle and Ed Herman Top Salary List

The salary information from last Sunday's UFC on Versus 5 event has been released. Chris Lytle and Ed Herman were the top two earners for the event.

UFC on Versus 5 medical suspensions and injuries for 'Hardy vs Lytle'

UFC on Versus 5 medical suspensions and injuries for 'Hardy vs Lytle'

Cole Miller Submits T.J. O'Brien In The Second At UFC Live 5

At UFC Live 5, Cole Miller used superior jiu-jitsu and striking to defeat T.J. O'Brien.

T.J. O'Brien Opponents

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