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Bout 4 of 13

Alexa Grasso vs Manon Fiorot

Sat, Sep 12, 5:00 PM ET · W Flyweight · 3 rounds · Noche UFC: Silva vs. Delgado · Desert Diamond Arena

Winner

Who the model expects to win

Probabilities over the two fighters, from the head that was evaluated on its own preregistered bar.

Alexa GrassoAlexa Grasso17-5-1
vs
Manon FiorotManon Fiorot13-2-0
Model pickManon Fiorot · 56.7%Decision · round 3 or later
17-5-1Record13-2-0
14Tracked bouts9
43.3%Win chance56.7%

Manon Fiorot wins 89% of tracked bouts to Grasso's 64% — and the matchup profiles as one that reaches the judges.

Method

How it ends

Read among fights that end with a winner — a draw or no-contest sits outside this sample, so the three add to 100%.

KO / TKO15.2%
Submission9.9%
Decision74.9%
Round

How far it goes

R3+ carries every fight that reaches the judges as well as every round-3-or-later finish.

9
R1
10
R2
81
R3+
Round 1
8.8%
Round 2
10.1%
Round 3 or later
81.1%
Goes the distance
74.9%

“Goes the distance” is the method head’s decision probability, not a separate model — so it cannot disagree with the bar above it.

The fighters

What the corpus knows about each of them

Tracked bouts only — a fight outside the corpus is not counted, and a thin record says so.

Alexa Grasso
17-5-1

3-2 in the last 5. 33% of wins come by finish; 71% of fights reach the judges.

+ Durable — most tracked fights reach the judges
Too few tracked losses to name a pattern — absence of data, not absence of weakness
Last 5 tracked
WMaycee BarberKO / TKO R1
LNatalia SilvaDecision R3
LValentina ShevchenkoDecision R5
WValentina ShevchenkoSubmission R4
WViviane AraujoDecision R5
Manon Fiorot
13-2-0

4-1 in the last 5. 38% of wins come by finish; 67% of fights reach the judges.

+ 3 career knockouts in this corpus
+ 89% win rate across 9 tracked bouts
+ Durable — most tracked fights reach the judges
Too few tracked losses to name a pattern — absence of data, not absence of weakness
Last 5 tracked
WJasmine JasudaviciusKO / TKO R1
LValentina ShevchenkoDecision R5
WErin BlanchfieldDecision R5
WRose NamajunasDecision R3
WKatlyn CerminaraDecision R3
Method

Where these numbers come from

Three separate heads — winner, method and round — each fitted on a corpus of tracked UFC fights and each published only on its own PASS verdict against a bar frozen before it was fitted. This is the one model on the site that beat its baseline on every head it was tested on.

Winner 60.6% accurate over 3,557 held-out fights · baseline 50% · log loss 0.6615 against 0.6931
Method 52.7% accurate over 3,557 held-out fights · baseline 46.7% · log loss 0.9692 against 1.0255
Round 60.6% accurate over 3,557 held-out fights · baseline 55.3% · log loss 0.9148 against 0.9549
model ufc-fight-model@e657fc40b64d
corpus 8,642 fights · 1994-03-11 to 2026-08-08 · scrape_ufc_stats (GPL-3.0)
generated 2026-09-09T17:05:43Z

Educational and paper-only — not betting advice.

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