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Aaron Simpson "A-Train"

Inactive · age 51 · Orthodox · 6'0" 183 cm · 170 lb 77 kg · reach 73" 185 cm
At a glance
  • 86% takedown defense in last 3 fights
  • UFC veteran since 2009
Elo rating
1508
Global Elo 1553 ±35
Rank
—
—
UFC record
7-4-0
KO 2 · Sub 0 · Dec 5
Streak
-1
Δ90d +3 · Δ1y +3
Last fight
Oct 5, 2012
Loss by KO · R2
Career at a glance
Octagon time
2h 7m
Avg fight time
11:31
Bonuses
3
Fights per year
3.1
Ground control
53m
Since last fight
13y 9mo

Honest Elo history

11 fights · tap & drag
Apr 1, 2009 — W vs Tim McKenzie Δ+33Aug 29, 2009 — W vs Ed Herman Δ+32Jan 11, 2010 — W vs Tom Lawlor Δ+29Jun 19, 2010 — L vs Chris Leben Δ-35Nov 20, 2010 — L vs Mark Munoz Δ-30Mar 26, 2011 — W vs Mario Miranda Δ+14Jul 2, 2011 — W vs Brad Tavares Δ+17Oct 8, 2011 — W vs Eric Schafer Δ+14Feb 15, 2012 — L vs Ronny Markes Δ-18Jul 11, 2012 — W vs Kenny Robertson Δ+12Oct 5, 2012 — L vs Mike Pierce Δ-17 1460148015001520154015601580 201020112012 [{"i":0,"x":90,"y":327.1,"elo":1491,"date":"2009-04-01","opp":"Tim McKenzie","result":"W","delta":33},{"i":1,"x":174.2,"y":242.8,"elo":1523,"date":"2009-08-29","opp":"Ed Herman","result":"W","delta":32},{"i":2,"x":249.9,"y":166.5,"elo":1551,"date":"2010-01-11","opp":"Tom Lawlor","result":"W","delta":29},{"i":3,"x":339.2,"y":259.9,"elo":1516,"date":"2010-06-19","opp":"Chris Leben","result":"L","delta":-35},{"i":4,"x":425.6,"y":339.3,"elo":1487,"date":"2010-11-20","opp":"Mark Munoz","result":"L","delta":-30},{"i":5,"x":496.3,"y":301.2,"elo":1501,"date":"2011-03-26","opp":"Mario Miranda","result":"W","delta":14},{"i":6,"x":551.3,"y":256.9,"elo":1517,"date":"2011-07-02","opp":"Brad Tavares","result":"W","delta":17},{"i":7,"x":606.3,"y":220.7,"elo":1531,"date":"2011-10-08","opp":"Eric Schafer","result":"W","delta":14},{"i":8,"x":679.2,"y":268.7,"elo":1513,"date":"2012-02-15","opp":"Ronny Markes","result":"L","delta":-18},{"i":9,"x":761.7,"y":235.9,"elo":1525,"date":"2012-07-11","opp":"Kenny Robertson","result":"W","delta":12},{"i":10,"x":810,"y":281.2,"elo":1508,"date":"2012-10-05","opp":"Mike Pierce","result":"L","delta":-17}]

Last fights

Elo-based expectation · not betting advice
Date Opponent Result Δ Elo
Oct 5, 2012 Mike Pierce L -17
Jul 11, 2012 Kenny Robertson W +12
Feb 15, 2012 Ronny Markes L -18
Oct 8, 2011 Eric Schafer W +14
Jul 2, 2011 Brad Tavares W +17

Performance

SLpM Significant Strikes Landed per Minute. Higher = busier striker.
Strikes Landed
L1L3L5
Str Acc Striking accuracy: significant strikes landed / attempted. Higher = more efficient striker.
Strike Accuracy
L1L3L5
SApM Significant Strikes Absorbed per Minute. How often opponents land on this fighter. Lower is better.
Strikes Absorbed
L1L3L5
Str Def Share of opponent’s significant strike attempts that miss or are blocked. Higher is better.
Striking Defense
L1L3L5
TD / 15 min Takedowns landed per 15 minutes (one full 3-round fight). Measures wrestling output.
Takedowns
L1L3L5
TD Acc Takedowns landed / attempted. Higher = cleaner entries.
Takedown Accuracy
L1L3L5
TD Def Share of opponent takedown attempts stuffed. Higher = harder to put on the mat.
Takedown Defense
L1L3L5
Sub / 15 min Submission attempts per 15 minutes. Counts attempts, not just finishes — a proxy for grappling aggression.
Submission Attempts
L1L3L5
Ctrl / 15 min Control time in seconds per 15 minutes. Time in dominant grappling positions. 240 = 4 min, the realistic high-end across divisions.
Control Time (sec)
L1L3L5
KD / 15 min Knockdowns landed per 15 minutes. Counts every flash KD even if the fight continued — measures stopping power across all rounds, not just finishes.
Knockdowns
L1L3L5
Above division avg (intensity ∝ how far)
Near avg (±10%)
Below division avg

Finishes

How wins come Finish rate = (KO + Submission wins) / total UFC wins. Measures how often this fighter closes the show before the scorecards.
29%
2 / 7
Finish rate
KO
2
29% of wins
SUB
0
0% of wins
DEC
5
71% of wins
KO: 2 (29%) 2 Sub: 0 (0%) Dec: 5 (71%) 5
Finishes by round
2 total
R1
1 50%
R2
1 50%
R3
R4
R5

Striking profile

Where significant strikes land — by target zone and by position. 454 landed total · career

Targets head · body · leg
56% Head
  • Head 56%
  • Body 21%
  • Leg 23%
Positions distance · clinch · ground
41% Clinch
  • Distance 36%
  • Clinch 41%
  • Ground 23%

Durability

How they're beaten How fights end AGAINST this fighter. Finished-against rate = (times KO'd + submitted) / total UFC losses. A low rate means they rarely get stopped.
50%
of losses by finish
2 of 4 · usually R2
2 KO/TKO 0 Sub 2 Dec Never submitted

Strength of schedule in UFC

Avg opp Elo (last 5) Average Elo rating of the last 5 opponents this fighter faced. A proxy for schedule difficulty — 1700+ is elite-level competition, 1500 is a UFC average opponent.
1532
UFC level
Quality wins (1600+) Wins over opponents rated 1600+ Elo at the time of the fight — clearly above the ~1500 UFC average, contender tier. A count of genuine quality results, not record-padding.
0
of 7 UFC wins
Toughest win The highest-rated opponent this fighter has a win over, by that opponent's Elo at fight time.
Tom Lawlor
Elo 1562 at fight time
Expected wins How many wins an average fighter would be expected to have against this exact schedule, based on pre-fight Elo win probabilities. The line below shows whether this fighter is over- or under-performing their matchups.
5.8
+1.2 wins above what this schedule implies
Opponent Elo over career · 11 UFC fights, oldest → newest
1500
1593

Top welterweight

See full rankings →
Islam Makhachev C
#1 · Elo 1802
Kamaru Usman
#2 · Elo 1691
Shavkat Rakhmonov
#3 · Elo 1679
Michael Morales
#4 · Elo 1671
Ian Machado Garry
#5 · Elo 1669
Source Raw fight data and per-bout statistics come from Aaron Simpson on UFCStats →. Elo rating, uncertainty bands, and division-relative analytics computed by HonestElo — not affiliated with or endorsed by the Ultimate Fighting Championship.