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Jake O'Brien absorbs 1.9 and lands 1.3 significant strikes per minute. Concedes more than outputs. Negative striking margin.

Jake O'Brien's takedown volume and opponent defense rate both point to a credible wrestling threat.

Jake O'Brien wins 56% of rounds across 16 scored. Round splits are close.

Jake O'Brien has 2 KO/TKO losses in 3 total UFC losses. Absorbs 0.14 knockdowns per fight. Durability score of 43 out of 99, average for the division.

Jake O'Brien's last fight was over 204 months ago.

Jake O'Brien is 41 years old.

All Fighters
Fighter Profile›Light Heavyweight
“Irish”

Jake O'Brien

15-47 UFC
Wrestler
Form
Inactive
High Wear
6'3"ht·76"reach·Orthodoxstance·41age
Last fightLJon Jones·SUB·R2·16yr ago
Fighter Context
4–3UFC·
1KO
·
0Sub
·
3Dec
·
10.0min/fight
·
70UFC min
vs. Winning-Record Opps
0–3(3 fights)
·
-4.7str diff/min
CQ Key Stats
Striking Differential
-0.61
Deficit

Significant strikes landed per minute minus strikes absorbed per minute. Positive values indicate a net striking advantage.

Adj. TD Threat
1.380
Elite

CageQuant derived signal for measuring takedown offense adjusted for average division opponents.

Durability
43
Average

CageQuant derived signal that measures how well a fighter holds up to damage. Based on stoppage history and knockdowns absorbed over their career.

Round Win Rate
56%
Average

CageQuant derived signal. Completed rounds won, scored by CageQuant's proprietary formula rather than official judging.

Striking

Jake O'Brien — 1.31 significant strikes per minute, 31% striking accuracy, absorbs 1.92 strikes per minute.

O'Brien
Ground & Pound
Head Hunter
Light Heavyweight avg
Sig. Strikes / Min1.31
Str. Accuracy31%
92UFC landed/289attempted
Sig. Absorbed / min
−2.1 vs avg1.92
Str. Defense69%
KD Rate / fight0.14
1UFC knockdowns
KD Absorbed / fight0.14
CQ KO Power
1.09
Strike Distribution
By Target
Head
97%
Body
3%
Leg
0%
By Position
Distance35%
/
Clinch7%
/
Ground59%
Sig. Strikes by Round
Round 17 rounds
Round 26 rounds
Round 33 rounds
Avg. Landed673
Avg. Absorbed8810
Avg. Net-2-1-8
Grappling

Jake O'Brien — 6.4 takedowns per 15 minutes, 54% takedown accuracy, 0.2 submission attempts per 15 minutes, 25% takedown defense.

O'Brien
G&P Threat
·300s ctrlElite Control
Light Heavyweight avg
Offense
TD Landed / 15 Min6.39
TD Attempts / 15 MinUFC ONLY11.37
TD Accuracy54%
30UFC landed/53attempted
Sub Attempts / 15 Min0.20
0UFC wins/1attempted
Defense
Leaky TD Def
TD Defense25%
1UFC defended/4opp. attempts
Sub Defense
Holds Ground
Finishing

Jake O'Brien — 4 UFC wins (1 KO/TKO, 3 decision), 25% finish rate.

Finish Rate
25%
Decision Fighter
div avg 64%
How They Lose
3UFC losses
Win Breakdown
KO / TKO1 / 4
Submission0 / 4
Decision3 / 4
Loss Breakdown
KO / TKO2 / 3
Submission1 / 3
Decision0 / 3
Loss Pattern
3 of 3 losses by finish in R1–R2
Finish Round Distribution
Finish WinsFinish LossesR1R2R3
KO/TKO W
KO/TKO L
SUB L
Cards & Decisions
Recovery Rate
—
No eligible sequences on record.
Decision Margin
—
More decisions needed.
Decision Types
2UD
·
1SD
·
0MD
·
33%split rate
Career Trajectory
Win
Loss
D/NC
Elite opp (15+ wins)
Veteran opp (8+ wins)
Div. change
sig. strikes trending down. Averaging 7 less in second half of career
0+7+14+22+29avg↗2006200720082009

7 UFC fights · hover for details · colored line = 3-fight rolling avg

Pace & Cardio
Output
Absorbed
Diff
-0.21.32.8R1R2R3
R1n=7
R2n=6
R3n=3
Outputsig strikes / min
1.4
1.8
0.5
Absorbedsig strikes / min
1.8
2.0
2.1
Diff
-0.5
-0.2
-1.5

Per-round averages across career · partial final rounds included at actual elapsed time · rounds below 5 min. career total suppressed · dashed lines = division avg

Last 7 Fights — Trend
KD Abs
▼Str. Diff-0.68 idxL3
-45%36%118%WWWLLWL

Last 7 UFC fights · Absorbed & Strike Diff = index vs career avg (1.0 = avg, 0 = breakeven) · Orange dots = KDs absorbed

Elite oppVeteran opp
O'Brien — 7 UFC Fights

Jake O'Brien — UFC fight record: 4 wins, 3 losses.

Result
Method
7 fights
L
Jon Jones
LHW
SUB R2 · 2:43Jul '09
-14
·11 SS (16%)·25 abs·0/4 td
W
Christian Wellisch
LHW
S-DEC R3Jan '09
-21
·25 SS (30%)·46 abs·9/11 td·315s ctrl·1 kd landed
L
Cain Velasquez
HW
KO/TKO R1 · 2:02Jul '08
-23
·1 SS (100%)·24 abs·1 td taken
L
Andrei ArlovskiVeteran
HW
KO/TKO R2 · 4:17Mar '08
-10
·4 SS (33%)·14 abs·2/14 td·1 td taken·284s ctrl
W
Heath Herring
HW
U-DEC R3Jan '07
+2
·13 SS (32%)·11 abs·6/8 td·1 td taken·595s ctrl·1 kd taken·1 sub att
W
Josh Shockman
HW
U-DEC R3Nov '06
0
·13 SS (42%)·13 abs·10/13 td·622s ctrl
W
Kristof Midoux
HW
KO/TKO R2 · 0:52Aug '06
+23
·25 SS (48%)·2 abs·3/3 td·283s ctrl
O'Brien — Prior Tracked Fights (1)
LGegard MousasiDreamSUBR1—
All Fighters
Light Heavyweight
“Irish”

Jake O'Brien

15-47 UFC
Form
6'3"ht·76"reach·Orthodoxstance·41age
Last fightLJon Jones·SUB·16yr ago
Fighter Context
4–3UFC·
1KO
·
0Sub
·
3Dec
·
10.0min/fight
·
70UFC min
vs. Winning Record0–3
CQ Key Stats
Str. Differential
-0.61

Significant strikes landed per minute minus strikes absorbed per minute. Positive values indicate a net striking advantage.

Adj. TD Threat
1.380

CageQuant derived signal for measuring takedown offense adjusted for average division opponents.

Durability
43

CageQuant derived signal that measures how well a fighter holds up to damage. Based on stoppage history and knockdowns absorbed over their career.

Round Win Rate
56%

CageQuant derived signal. Completed rounds won, scored by CageQuant's proprietary formula rather than official judging.

Striking
O'Brien
Light Heavyweight avg
Ground & PoundHead Hunter
Sig. Strikes / Min1.31
Str. Accuracy31%
92UFC landed/289attempted
Sig. Absorbed / Min
−2.1 vs avg1.92
Str. Defense69%
KD Rate / Fight0.14
1UFC knockdowns
KD Absorbed / Fight0.14
CQ KO Power
1.09
Strike Distribution
By Target
Head
97%
Body
3%
Leg
0%
By Position
Dist35%
Clinch7%
Ground59%
Sig. Strikes by Round(career avg per round)
R1
n=7
R2
n=6
R3
n=3
Landed673
Absorbed8810
Net-2-1-8
Grappling
O'Brien
Light Heavyweight avg
G&P Threat
300s ctrlElite Control
Offense
TD Landed / 15 Min6.39
TD Attempts / 15 MinUFC ONLY11.37
TD Accuracy54%
30UFC landed/53attempted
Sub Attempts / 15 Min0.20
0UFC wins/1attempted
Defense
Leaky TD Def
TD Defense25%
1UFC defended/4opp. attempts
Sub Defense1 loss / 2 attempts
Finishing
Finish Rate
25%
Decision Fighter
Win Methods
1KO/TKO
0Sub
3Dec
Loss Methods
2KO/TKO
1Sub
0Dec
Finish Round Distribution
R1
R2
R3
KO (W)
KO (L)
Sub (L)
Cards & Decisions
Recovery RateRounds won after a lost round.
—No eligible sequences.
Decision MarginAvg pts/round on judges' scorecards.
—More decisions needed.
Decision Types
2UD
·
1SD
·
0MD
·
33%split rate
Career Trajectory chart available on desktop.
Pace & Cardio
Output
Absorbed
Diff
-0.21.32.8R1R2R3
R1n=7
R2n=6
R3n=3
Outputsig strikes / min
1.4
1.8
0.5
Absorbedsig strikes / min
1.8
2.0
2.1
Diff
-0.5
-0.2
-1.5

Per-round career averages · partial rounds time-adjusted · dashed = division avg

O'Brien — UFC Fight Log
|
L
Jon JonesLHW
SUB·R2·Jul '09
11 SS (16%)·25 abs·0/4 td
W
Christian WellischLHW
S-DEC·R3·Jan '09
25 SS (30%)·46 abs·9/11 td·315s ctrl·1 kd
L
Cain VelasquezHW
KO/TKO·R1·Jul '08
1 SS (100%)·24 abs·1 td taken
L
Andrei ArlovskiVeteranHW
KO/TKO·R2·Mar '08
4 SS (33%)·14 abs·2/14 td·1 td taken·284s ctrl
W
Heath HerringHW
U-DEC·R3·Jan '07
13 SS (32%)·11 abs·6/8 td·1 td taken·595s ctrl·1 kd taken·1 sub
W
Josh ShockmanHW
U-DEC·R3·Nov '06
13 SS (42%)·13 abs·10/13 td·622s ctrl
W
Kristof MidouxHW
KO/TKO·R2·Aug '06
25 SS (48%)·2 abs·3/3 td·283s ctrl
O'Brien — Prior Tracked Fights (1)
LGegard MousasiDreamSUBR1
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GuideContactTermsPrivacy
CageQuant

Independent MMA analytics. Not affiliated with or endorsed by any promotion.
Statistics are informational only. Not betting advice.

© 2026 CageQuant. All rights reserved.

Follow on X