CageQuantBETA
EventsFightersDivisionsGuide
Sign Up
CageQuantBETA
All Fighters
Fighter Profile›Welterweight
“A-Train”

Aaron Simpson

12-511 UFC
Complete Fighter
Form
Inactive
Output Drops Late
High Wear
6'0"ht·73"reach·Orthodoxstance·51age
Last fightLMike Pierce·KO/TKO·R2·13yr ago
Fighter Context
7–4UFC·
2KO
·
0Sub
·
5Dec
·
11.5min/fight
·
127UFC min
vs. Winning-Record Opps
2–4(6 fights)
·
0%finish rate
·
+0.3str diff/min
CQ Key Stats
Striking Differential
+1.07
Positive

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

Adj. TD Threat
0.428
Strong

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

Durability
65
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
68%
Strong

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

Striking
Simpson
Dirty Boxer
Welterweight avg
Sig. Strikes / Min3.60
Str. Accuracy52%
454UFC landed/860attempted
Sig. Absorbed / min
−1.2 vs avg2.53
Str. Defense56%
KD Rate / fight0.55
6UFC knockdowns
KD Absorbed / fight0.09
Strike Distribution
By Target
Head
56%
Body
21%
Leg
23%
By Position
Distance36%
/
Clinch40%
/
Ground24%
Sig. Strikes by Round
Round 111 rounds
Round 210 rounds
Round 37 rounds
Avg. Landed211413
Avg. Absorbed131110
Avg. Net+8+3+3
Grappling
Simpson
G&P Threat
·291s ctrlElite Control
Welterweight avg
Offense
TD Landed / 15 Min3.78
TD Attempts / 15 MinUFC ONLY10.89
TD Accuracy34%
32UFC landed/92attempted
Sub Attempts / 15 Min0.50
0UFC wins/4attempted
Defense
Elite TD Def
TD Defense83%
25UFC defended/30opp. attempts
Sub Defense
Sub Proof
Finishing
Finish Rate
29%
Decision Fighter
div avg 53%
How They Lose
4UFC losses
Win Breakdown
KO / TKO2 / 7
Submission0 / 7
Decision5 / 7
KD → Finish
2/5Moderate
Loss Breakdown
KO / TKO2 / 4
Submission0 / 4
Decision2 / 4
Loss Pattern
2 of 4 losses by finish in R1–R2
Finish Round Distribution
Finish WinsFinish LossesR1R2R3
KO/TKO W
KO/TKO L
Cards & Decisions
Recovery Rate
—
More data needed.
Decision Margin
—
More decisions needed.
Decision Types
5UD
·
2SD
·
0MD
·
29%split rate
Career Trajectory
Win
Loss
D/NC
Elite opp (15+ wins)
Veteran opp (8+ wins)
Div. change
sig. strikes trending up. Averaging 16 more in second half of career
0+17+34+51+68avg↗2009201020112012

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

Pace & Cardio
Output Drops Late
Output
Absorbed
Diff
1.02.23.4R1R2R3
R1n=11
R2n=10
R3n=7
Outputsig strikes / min
4.3
3.4
2.6
Absorbedsig strikes / min
2.8
2.7
2.0
Diff
+1.6
+0.8
+0.6

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 8 Fights — Trend
KD Abs
▲Str. Acc+17%L3
-41%39%120%LLWWWLWL

Last 8 UFC fights · Absorbed & Strike Diff = index vs career avg (1.0 = avg, 0 = breakeven) · Orange dots = KDs absorbed

Elite oppVeteran opp
Simpson — 11 UFC Fights
Result
Method
11 fights
L
Mike Pierce
KO/TKO R2 · 0:29Oct '12
+18
·
28 SS (64%)·10 abs·1/1 td·46s ctrl·1 kd landed·1 kd taken·1 sub att
W
Kenny Robertson
U-DEC R3Jul '12
+19
·
48 SS (69%)·29 abs·6/14 td·625s ctrl
L
Ronny Markes
S-DEC R3Feb '12
-7
·
55 SS (65%)·62 abs·0/5 td·2 td taken·148s ctrl·1 kd landed
W
Eric Schafer
U-DEC R3Oct '11
+44
·
58 SS (41%)·14 abs·31s ctrl·2 kd landed
W
Brad Tavares
U-DEC R3Jul '11
+30
·
43 SS (65%)·13 abs·2/15 td·1 td taken·660s ctrl·2 sub att
W
Mario Miranda
U-DEC R3Mar '11
+45
·
59 SS (79%)·14 abs·10/26 td·759s ctrl
L
Mark Munoz
U-DEC R3Nov '10
-33
·
43 SS (36%)·76 abs·5/11 td·1 td taken·195s ctrl
L
Chris LebenVeteran
KO/TKO R2 · 4:17Jun '10
+1
·
43 SS (55%)·42 abs·2/10 td·224s ctrl·1 sub att
W
Tom Lawlor
S-DEC R3Jan '10
-16
·
36 SS (33%)·52 abs·2/6 td·1 td taken·268s ctrl
W
Ed Herman
KO/TKO R2 · 0:17Aug '09
+18
·
25 SS (50%)·7 abs·3/3 td·185s ctrl·1 kd landed
Simpson — Prior Tracked Fights (1)
WDavid AvellanWECKO/TKOR1—
All Fighters
Welterweight
“A-Train”

Aaron Simpson

12-511 UFC
Form
6'0"ht·73"reach·Orthodoxstance·51age
Last fightLMike Pierce·KO/TKO·13yr ago
Fighter Context
7–4UFC·
2KO
·
0Sub
·
5Dec
·
11.5min/fight
·
127UFC min
vs. Winning Record2–4
CQ Key Stats
Str. Differential
+1.07

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

Adj. TD Threat
0.428

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

Durability
65

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
68%

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

Striking
Simpson
Welterweight avg
Dirty Boxer
Sig. Strikes / Min3.60
Str. Accuracy52%
454UFC landed/860attempted
Sig. Absorbed / Min
−1.2 vs avg2.53
Str. Defense56%
KD Rate / Fight0.55
6UFC knockdowns
KD Absorbed / Fight0.09
Strike Distribution
By Target
Head
56%
Body
21%
Leg
23%
By Position
Dist36%
Clinch40%
Ground24%
Sig. Strikes by Round(career avg per round)
R1
n=11
R2
n=10
R3
n=7
Landed211413
Absorbed131110
Net+8+3+3
Grappling
Simpson
Welterweight avg
G&P Threat
291s ctrlElite Control
Offense
TD Landed / 15 Min3.78
TD Attempts / 15 MinUFC ONLY10.89
TD Accuracy34%
32UFC landed/92attempted
Sub Attempts / 15 Min0.50
0UFC wins/4attempted
Defense
Elite TD Def
TD Defense83%
25UFC defended/30opp. attempts
Sub Defense0 loss / 2 attempts
Finishing
Finish Rate
29%
Decision Fighter
Win Methods
2KO/TKO
0Sub
5Dec
Loss Methods
2KO/TKO
0Sub
2Dec
Finish Round Distribution
R1
R2
R3
KO (W)
KO (L)
Cards & Decisions
Recovery RateRounds won after a lost round.
—More data needed.
Decision MarginAvg pts/round on judges' scorecards.
—More decisions needed.
Decision Types
5UD
·
2SD
·
0MD
·
29%split rate
Career Trajectory chart available on desktop.
Pace & Cardio
Output Drops Late
Output
Absorbed
Diff
1.02.23.4R1R2R3
R1n=11
R2n=10
R3n=7
Outputsig strikes / min
4.3
3.4
2.6
Absorbedsig strikes / min
2.8
2.7
2.0
Diff
+1.6
+0.8
+0.6

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

Simpson — UFC Fight Log
|
L
Mike Pierce
KO/TKO·R2·Oct '12
28 SS (64%)·10 abs·1/1 td·46s ctrl·1 kd·1 kd taken·1 sub
W
Kenny Robertson
U-DEC·R3·Jul '12
48 SS (69%)·29 abs·6/14 td·625s ctrl
L
Ronny Markes
S-DEC·R3·Feb '12
55 SS (65%)·62 abs·0/5 td·2 td taken·148s ctrl·1 kd
W
Eric Schafer
U-DEC·R3·Oct '11
58 SS (41%)·14 abs·31s ctrl·2 kd
W
Brad Tavares
U-DEC·R3·Jul '11
43 SS (65%)·13 abs·2/15 td·1 td taken·660s ctrl·2 sub
W
Mario Miranda
U-DEC·R3·Mar '11
59 SS (79%)·14 abs·10/26 td·759s ctrl
L
Mark Munoz
U-DEC·R3·Nov '10
43 SS (36%)·76 abs·5/11 td·1 td taken·195s ctrl
L
Chris LebenVeteran
KO/TKO·R2·Jun '10
43 SS (55%)·42 abs·2/10 td·224s ctrl·1 sub
Simpson — Prior Tracked Fights (1)
WDavid AvellanWECKO/TKOR1
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
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