| Full name | Jake O'Brien |
| Age | 35 (born September 25th, 1984) |
| Birthplace | Indianapolis, Indiana, United States |
| Associations | Integrated Fighting Academy |
| Height | 6'3" (190.5 cm) |
| Weight | 205 lbs (92.99 kg) |
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Jake O'Brien News
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This Month’s MMA Birthdays: Fedor Emelianenko Turns 40
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(PRESS RELEASE) -- LAS VEGAS — Reigning World Series of Fighting
(www.WSOF.com) world bantamweight (135 pounds) champion Marlon
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