| Fighter Details | |
|---|---|
  |
|
| Name | Jake O'Brien |
| Division | Light Heavyweight |
| Born | September 25th, 1984 |
| Country | United States |
| Fight Record |
|---|
| 2010 |
|---|
| Catch Weight Bout | |
|---|---|
|
R1 0:31 |
Gegard Mousasi ~ The Dreamcatcher Submission ~ Guillotine Choke Dream - Dream 15 July 10th, 2010 |
| 2009 |
|---|
| Light Heavyweight Bout | |
|---|---|
|
R2 2:43 |
Jon Jones ~ Bones Submission ~ Guillotine Choke UFC 100 - Lesnar vs. Mir 2 July 11th, 2009 |
| Light Heavyweight Bout | |
|---|---|
|
R3 5:00 |
Christian Wellisch Decision ~ Split UFC 94 - St. Pierre vs. Penn 2 January 31st, 2009 |
| 2008 |
|---|
| Heavyweight Bout | |
|---|---|
|
R1 2:02 |
Cain Velasquez TKO ~ Punches UFC Fight Night 14 - Silva vs. Irvin July 19th, 2008 |
| Heavyweight Bout | |
|---|---|
|
R2 4:17 |
Andrei Arlovski ~ The Pit Bull TKO ~ Punches UFC 82 - Pride of a Champion March 1st, 2008 |
| 2007 |
|---|
| Heavyweight Bout | |
|---|---|
|
R3 5:00 |
Heath Herring ~ The Texas Crazy Horse Decision ~ Unanimous UFC Fight Night 8 - Evans vs. Salmon January 25th, 2007 |
| 2006 |
|---|
| Heavyweight Bout | |
|---|---|
|
R3 5:00 |
Josh Schockman ~ The Warhammer Decision ~ Unanimous UFC 65 - Bad Intentions November 18th, 2006 |
| Heavyweight Bout | |
|---|---|
|
R2 0:52 |
Kristof Midoux ~ The French Hurricane TKO ~ Punches UFC Fight Night 6 - Sanchez vs. Parisyan August 17th, 2006 |
| Heavyweight Bout | |
|---|---|
|
R1 0:14 |
Jay White KO ~ Punch WEC 19 - Undisputed March 17th, 2006 |