| Jake O'Brien | |
|---|---|
| Born | September 25, 1984 Indianapolis, Indiana, United States |
| Other names | Irish |
| Nationality | American |
| Height | 6 ft 3 in (1.91 m) |
| Weight | 205 lb (93.0 kg; 14.6 st) |
| Division | 205 (2009 – present) & 265 |
| Style | Wrestling |
| Fighting out of | Indianapolis, Indiana |
| Team | Integrated Fighting Academy |
| Mixed martial arts record | |
| Total | 17 |
| Wins | 13 |
| By knockout | 7 |
| By submission | 2 |
| By decision | 4 |
| Losses | 4 |
| By knockout | 2 |
| By submission | 2 |
| Mixed martial arts record from Sherdog | |
Jacob Allen O'Brien (born September 25, 1984) is an American mixed martial arts fighter from Indianapolis, Indiana. O'Brien attended Franklin Central High School where he wrestled for four years, while earning IHSAA 215 lb. State Champion honors three years in a row from 2000–2003; holding a record of 125-4 over that time. O'Brien also attended Purdue University where he wrestled for two years, one year as starting heavyweight. He recorded a collegiate wrestling record of 14-18 his sophomore year.
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O'Brien entered MMA fighting as a heavyweight; he would later enter Ultimate Fighting Championship in the same division. O'Brien holds a notable win over Heath Herring, which he accomplished on UFC Fight Night live. O'Brien was defeated for the first time by Andrei Arlovski at UFC 82. On July 19, 2008 O'Brien tasted defeat for the second time as he lost to Cain Velasquez by TKO at UFC: Silva vs. Irvin.
O'Brien later moved down to light heavyweight at UFC 94, where he defeated Christian Wellisch by Split Decision. In his fight against then-undefeated Jon "Bones" Jones at UFC 100 O'Brien lost via guillotine choke in the second round.
In his first fight since leaving the UFC O'Brien fought Dave Hess at MMA Big Show - Triple Threat winning via submission (kimura) at 4:24 of round 2.
He then fought Toni Valtonen at FF 27 - Fight Festival 27 and won via unanimous decision.
O'Brien was expected to make his debut with the DREAM promotion on July 10 in a Light Heavyweight bout against former Strikeforce and DREAM Champion Gegard Mousasi at Dream 15. O'Brien failed to make weight, weighing in at 212 lbs therefore was given a 10% purse deduction as well as a yellow card at the start of the fight. Just over 30 seconds into the fight, O'Brien was caught in a guillotine choke and choked out after an unsuccessful take-down attempt on Mousasi, thus losing his Dream debut.[1]
| Professional record breakdown | ||
| 17 matches | 13 wins | 4 losses |
| By knockout | 7 | 2 |
| By submission | 2 | 2 |
| By decision | 4 | 0 |
| Result | Record | Opponent | Method | Event | Date | Round | Time | Location | Notes |
|---|---|---|---|---|---|---|---|---|---|
| Loss | 13-4 | Gegard Mousasi | Submission (guillotine choke) | Dream 15 | July 10, 2010 | 1 | 0:31 | Saitama, Japan | Dream Light Heavyweight GP Semifinal; Catchweight bout 212 lb due to O'Brien missing weight. |
| Win | 13–3 | Toni Valtonen | Decision (unanimous) | Fight Festival 27 | March 13, 2010 | 3 | 5:00 | Helsinki, Uusimaa, Finland | |
| Win | 12–3 | Dave Hess | Submission (kimura) | MMA Big Show - Triple Threat | February 20, 2010 | 2 | 4:24 | Florence, Indiana, United States | |
| Loss | 11–3 | Jon Jones | Submission (guillotine choke) | UFC 100 | July 11, 2009 | 2 | 2:43 | Las Vegas, Nevada, United States | |
| Win | 11–2 | Christian Wellisch | Decision (split) | UFC 94 | January 31, 2009 | 3 | 5:00 | Las Vegas, Nevada, United States | Drops to Light Heavyweight |
| Loss | 10–2 | Cain Velasquez | TKO (punches) | UFC: Silva vs. Irvin | July 19, 2008 | 1 | 2:02 | Las Vegas, Nevada, United States | |
| Loss | 10–1 | Andrei Arlovski | TKO (punches) | UFC 82 | March 1, 2008 | 2 | 4:17 | Columbus, Ohio, United States | |
| Win | 10–0 | Heath Herring | Decision (unanimous) | UFC Fight Night 8 | January 25, 2007 | 3 | 5:00 | Hollywood, Florida, United States | |
| Win | 9–0 | Josh Schockman | Decision (unanimous) | UFC 65 | November 18, 2006 | 3 | 5:00 | Sacramento, California, United States | |
| Win | 8–0 | Kristof Midoux | TKO (referee stoppage) | UFC Fight Night 6 | August 17, 2006 | 2 | 0:52 | Las Vegas, Nevada, United States | |
| Win | 7–0 | Pat Harmon | TKO | UFL – United Fight League | 2006 | 1 | 3:46 | ||
| Win | 6–0 | Antoine Hayes | TKO | LOF – Legends of Fighting 6 | April 7, 2006 | 1 | Indiana, United States | ||
| Win | 5–0 | Jay White | KO (punch) | WEC 19 | March 17, 2006 | 1 | 0:14 | Lemoore, Nevada, United States | |
| Win | 4–0 | Johnathan Ivey | TKO | LOF – Legends of Fighting 4 | January 20, 2006 | 1 | Indiana, United States | ||
| Win | 3–0 | Anthony Ferguson | TKO | LOF – Revolution | January 7, 2006 | 1 | Plainfield, Indiana, United States | ||
| Win | 2–0 | Paul Bowers | TKO | IFC – Integrated Fighting Classic 3 | June 21, 2005 | 1 | Indianapolis, Indiana, United States | ||
| Win | 1–0 | Chris Clark | TKO (referee stoppage) | MT – Madtown Throwdown 3 | May 21, 2005 | 1 | Madison, Wisconsin, United States |