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UFC 331LightweightMain CardSep 20, 2026

Arman Tsarukyan vs Mauricio Ruffy

The AI’s call

Arman Tsarukyan72%by Submission · Round 2

Tsarukyan's grappling and submission threat overwhelm Ruffy's one-dimensional striking in a clear favourite matchup.

AI vs the market

Tsarukyan74%
Ruffy27%
AI

AI 72% · crowd 74% on Tsarukyan

Aligned. The AI and the market read this fight the same way — 2 points apart.

The breakdown

Tsarukyan is a polished, well-rounded lightweight with elite grappling credentials, proven submission game (6 subs, recent arm-triangle over Hooker), and a 5-fight win streak anchored by quality wins over Dariush, Oliveira, and Hooker. He lands 3.85 sig strikes/min at 50% accuracy while absorbing only 1.8/min—excellent defensive striking. His 3.26 takedowns per 15 minutes and 38% accuracy show he can control the mat. Ruffy is a raw, high-output striker (4.19 sig strikes/min, 57% accuracy) with devastating knockout power (12 of 13 wins by KO/TKO, 1.54 knockdowns/15min) but zero takedown attempts, zero submissions, and poor defensive metrics (3.83 strikes absorbed/min). His recent loss to St. Denis via submission and one prior KO loss expose vulnerability to pressure and grappling. Ruffy's striking volume is higher, but Tsarukyan's precision, defense, and grappling arsenal give him multiple paths to victory. Tsarukyan's experience against elite competition (Oliveira, Dariush) and proven ability to neutralize strikers via wrestling and submissions should dominate a one-dimensional opponent.

Tsarukyan — edges

  • Elite grappling and submission game (6 subs in UFC, recent finish)
  • Superior striking defense (1.8 absorbed/min vs 3.83)
  • Takedown threat (3.26/15min) and control on mat
  • Recent wins over top-tier competition (Oliveira, Dariush, Hooker)

Ruffy — edges

  • Higher striking output (4.19 vs 3.85 sig strikes/min)
  • Superior striking accuracy (57% vs 50%)
  • Knockout power (12 of 13 wins by KO/TKO, 1.54 knockdowns/15min)
  • Height and reach advantage (71in/75in vs 67in/72.5in)

X-factor

Ruffy's raw power and volume could catch Tsarukyan early if wrestling setup is slow; one clean shot changes everything.

How the market sees it ending

How it ends

Goes the full distance35%
Ends by KO / TKO44%
Ends by submission33%

Who lands the knockout

Tsarukyan by KO/TKO34%
Ruffy by KO/TKO28%

Tale of the tape

TsarukyanRuffy

Physical

29

Age

29
67"

Height

71"
72.5"

Reach

75"

Record

23

Wins

13
3

Losses

2
9

Wins by KO/TKO

12
6

Wins by submission

0

Striking

3.85

Landed / min

4.19
1.8

Absorbed / min

3.83
50%

Accuracy

57%
0.31

Knockdowns / 15 min

1.54

Grappling

3.26

Takedowns / 15 min

0
38%

TD accuracy

0%
0.1

Sub. attempts / 15 min

0

About these numbers

Market probability is the live crowd consensus from Polymarket, a public prediction market where people trade on outcomes — we read it as a data signal for what the crowd expects, and it updates continuously. AI probabilityis our own model’s independent read of the matchup from fighter data alone; it never sees the market price, which is why the two can disagree.

All of it is published for analysis and entertainment. Nothing here is betting advice, a recommendation, or a prediction of a guaranteed result — fights are volatile and upsets are the sport.