← Back to Fighters
Light Heavyweight
Jake O'Brien
Last fought: Jul 2010
RECORD
Pro
15-4-0
UFC
4-3-0
Age
42
Height
6'3"
Weight
205 lbs
Reach
76"
Stance
Orthodox
Career Analytics
| Advanced Metric | Career |
|---|---|
| Fight Shape | |
| Avg Fight Time | 9:59 |
| Fight Completion Rate | 66.6% |
| Avg Rounds per Fight | 2.00 |
| % Fights Inside the Distance | 57.1% |
| Strength of Schedule | |
| Opponent UFC Record (all, at fight time) | 13-6 (68.4%) |
| Opponent UFC Record (among wins) | 2-2 (50.0%) |
| Opponent UFC Record (among losses) | 11-4 (73.3%) |
| Positional Profile | |
| % Time at Distance (approx.) | 41.8% |
| % Time in Control | 50.1% |
| % Time Controlled | 8.1% |
| Control Rate of Clinch/Ground Time | 86.1% |
| Distance Striking | |
| Distance Sig. Strikes Landed / Min | 1.09 |
| Distance Sig. Strikes Absorbed / Min | 3.15 |
| Distance Striking Differential / Min | -2.05 |
| Distance Strike Accuracy | 18.5% |
| Distance Strike Defense | 75.6% |
| Power & Pressure | |
| KDs per 100 Power Strikes Landed | 2.63 |
| Knocked Down per 100 Absorbed | 1.59 |
| TD Attempts per 5 Distance Min | 9.07 |
| TDs Faced per 5 Distance Min | 0.69 |
| Sub Attempts per 15 Control Min | 0.43 |
| Fade Index (R3 pace / R1 pace) | 0.39 |
All metrics are UFC fights only. Methodology →
Where the Strikes Land
Share of landed significant strikes by target
Where the Fight Happens
Share of total fight time by position
Cumulative Significant Strikes vs the Light Heavyweight field
Jake O'Brien
League percentile bands (p5–p95)
League median
The shaded bands are the league’s middle range: the darker center covers the 25th–75th
percentile of fighters, the lighter outer zones extend to the 5th and 95th — computed only over fighters
whose careers reached each minute mark. How these are calculated →
Career Stats
| Statistic | Jake O'Brien |
|---|---|
| Striking | |
| Sig. Strike Accuracy | 31.8% |
| Sig. Strikes Landed/min | 1.3 |
| Sig. Strikes Absorbed/min | 1.9 |
| Strike Differential | -0.6/min |
| Grappling | |
| Takedown Accuracy | 56.6% |
| Takedown Defense | 25.0% |
| Takedowns Landed/15min | 6.4 |
| Submission Attempts/15min | 0.2 |
| Control Time/15min | 7:31 |
| Finishing Ability | |
| KO/TKO % of Wins | 25.0% |
| Submission % of Wins | 0.0% |
| Decision % of Wins | 75.0% |
| Avg Fight Time | 9:59 |
| Secondary Stats | |
| Knockdowns/15min | 0.2 |
| Reversals/15min | 0.4 |
Last 5 Averages
| Statistic | Last 5 Fights |
|---|---|
| Sig. Strike Accuracy | 26.2% |
| Sig. Strikes Landed/min | 1.1 |
| Sig. Strikes Absorbed/min | 2.4 |
| Takedown Accuracy | 45.9% |
| Takedown Defense | 25.0% |
| Control Time/Fight | 3:59 |
Fight History
LOSS
vs. Jon Jones
UFC 100 • Jul 2009Light Heavyweight
Jake O'Brien11/6816%TD 0/4Ctrl 0:03
Jon Jones25/8729%TD 0/0Ctrl 0:35
WIN
vs. Christian Wellisch
UFC 94: St-Pierre vs Penn 2 • Jan 2009Light Heavyweight
Jake O'Brien25/8430%TD 9/11Ctrl 5:15KD 1
Christian Wellisch46/17926%TD 0/1Ctrl 0:04
LOSS
vs. Cain Velasquez
UFC: Silva vs Irvin • Jul 2008Heavyweight
Jake O'Brien1/1100%TD 0/0Ctrl 0:00
Cain Velasquez24/2692%TD 1/1Ctrl 1:54
LOSS
vs. Andrei Arlovski
UFC 82: Pride of a Champion • Mar 2008Heavyweight
Jake O'Brien4/1233%TD 2/14Ctrl 4:44
Andrei Arlovski14/3540%TD 1/1Ctrl 1:59
WIN
vs. Heath Herring
UFC Fight Night: Evans vs Salmon • Jan 2007Heavyweight
Jake O'Brien13/4132%TD 6/8Ctrl 9:55
Heath Herring11/6118%TD 1/1Ctrl 0:41KD 1
WIN
vs. Josh Shockman
UFC 65: Bad Intentions • Nov 2006Heavyweight
Jake O'Brien13/3142%TD 10/13Ctrl 10:22
Josh Shockman13/4032%TD 0/0Ctrl 0:26
WIN
vs. Kristof Midoux
UFC Fight Night 6 • Aug 2006Heavyweight
Jake O'Brien25/5248%TD 3/3Ctrl 4:43
Kristof Midoux2/1020%TD 0/0Ctrl 0:00
Prior to UFC
DREAM (1 fight)
LOSS
vs. Gegard Mousasi
DREAM 15 • Jul 2010
Jake O'Brien0/0—TD 0/2Ctrl 0:00
Gegard Mousasi0/0—TD 0/0Ctrl 0:00