Jake O'Brien

Born: 1984-09-25

Jacob Allen O'Brien is a retired American professional mixed martial artist who most recently competed in the Heavyweight division. A professional competitor from 2005 until 2012, he fought for the UFC, WEC, and DREAM.


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UFC 100: Lesnar vs. Mir 2

as Self
Released: 2009-07-11

UFC 100 was a mixed martial arts event produced by the Ultimate Fighting Championship (UFC) on...

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UFC 94: St-Pierre vs. Penn 2

as Self
Released: 2009-01-31

UFC 94: St-Pierre vs. Penn 2 was a mixed martial arts event held by the Ultimate Fighting...

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UFC 65: Bad Intentions

as Self
Released: 2006-11-18

UFC 65: Bad Intentions was a mixed martial arts competition held by the Ultimate Fighting...

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UFC 82: Pride of a Champion

as Self
Released: 2008-03-01

UFC 82: Pride of a Champion was a mixed martial arts (MMA) event that took place on 1st March,...

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UFC Fight Night 14: Silva vs. Irvin

as Self
Released: 2008-07-19

UFC Fight Night 14: Silva vs. Irvin was a mixed martial arts event held by the Ultimate Fighting...

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WEC 19: Undisputed

as Self
Released: 2006-03-17

WEC 19: Undisputed was a mixed martial arts event held by World Extreme Cagefighting on March...

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UFC Fight Night 6: Sanchez vs. Parisyan

as Self
Released: 2006-08-17

UFC Fight Night 6: Sanchez vs. Parisyan was a mixed martial arts event held by the Ultimate...

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UFC Fight Night 8: Evans vs. Salmon

as Self
Released: 2007-01-25

UFC Fight Night 8: Evans vs. Salmon was a mixed martial arts event held by the Ultimate Fighting...

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