1579RATING · 145 LB

Mairon Santos

No. 18 at featherweight; No. 45 at lightweight. 4–0 in the UFC since 2024.

Career and every weight

Pick a weight to see the rating there, the numbers, and how they compare with that division.

Career

Every UFC fight, at every weight (155 lb, 145 lb). Red is a dominant win (85 or more), blush any other win, grey a loss or draw. Ratings are kept weight by weight, in the other tabs; they do not compare across divisions. Opposition here is each opponent’s standing at their weight going in, as a percentile of everyone rated there that year.

155 lb145 lb2025
4–0UFC record
2 of 4Dominant wins
83Average win score
38thOpposition, percentile
How the wins came2 KO/TKO 0 submission 2 decision
Finish rate50% of wins
Stopped in lossesNever
Knockdowns landed2
Average fight time11:42
Sig. strikes landed / absorbed per min– / –
Sig. strike accuracy–
Takedowns per 15 min–
Control time– of the fight
Best winMuhammad Naimov rated 1512 at 145 lb going in

Per-minute figures need 5 fights with full statistics.

How the fights went

Every rated UFC fight, every weight. Tap a mark for the fight.

On the clock

2 of 4 wins inside the distance, 0 in round one

When each fight ended. Wins above the line, losses below; decisions sit at the final bell.

KO or TKOSubmissionDecision
Round 1Round 2Round 3Wins
Who they beat, and how

Best win: Muhammad Naimov, rated 1512 at 145 lb. Dominant in 2 of 4 scored wins

Each fight's dominance score against how highly the opponent was rated at that weight going in, as a percentile of everyone rated there that year, so every weight shares one scale. Up and to the right is a dominant win over a strong opponent.

Dominant winWinLoss or draw
0255075100Weakest25th50th75thToughestOpponent’s standing at the weight going in, percentileDOMINANT 85+

145 lb

No. 18 of 86 active men ranked at featherweight, outside the top 15 board, with a published rating of 1579 across 3 fights at the weight.

115012501350145015501650175018502025
Rating after every fight at 145 lb. The solid line is the published rating, the dashed line the best estimate; the shaded gap between them is still to prove. Tap a point for the fight.
3–0Record at 145 lb
2 of 3Dominant wins
85Average win score
1299Avg opponent rating
How the wins came2 KO/TKO 0 submission 1 decision
Finish rate67% of wins
Stopped in lossesUnbeaten here
Knockdowns landed2
Average fight time10:37
Sig. strikes landed / absorbed per min3.6 / 2.2
Sig. strike accuracy48%
Takedowns per 15 min0.0
Control time3% of the fight
Best winMuhammad Naimov rated 1512 going in

Against the division needs 5 rated fights at 145 lb; Mairon Santos has 3 so far.

How the fights went

Every rated UFC fight at 145 lb. Tap a mark for the fight.

On the clock

2 of 3 wins inside the distance, 0 in round one

When each fight ended. Wins above the line, losses below; decisions sit at the final bell.

KO or TKOSubmissionDecision
Round 1Round 2Round 3Wins
Who they beat, and how

Best win: Muhammad Naimov, rated 1512 at 145 lb. Dominant in 2 of 3 scored wins

Each fight's dominance score against how highly the opponent was rated at that weight going in, as a percentile of everyone rated there that year, so every weight shares one scale. Up and to the right is a dominant win over a strong opponent.

Dominant winWinLoss or draw
0255075100Weakest25th50th75thToughestOpponent’s standing at the weight going in, percentileDOMINANT 85+

155 lb

No. 45 of 91 active men ranked at lightweight, outside the top 15 board, with a published rating of 1465 across 1 fight at the weight. Last fought at featherweight: beat Muhammad Naimov, Dec 2025. This rating covers 155 lb only.

13501450155016501750
Rating after every fight at 155 lb. The solid line is the published rating, the dashed line the best estimate; the shaded gap between them is still to prove. Tap a point for the fight.
1–0Record at 155 lb
0 of 1Dominant wins
77Average win score
1476Avg opponent rating
How the wins came0 KO/TKO 0 submission 1 decision
Finish rate0% of wins
Stopped in lossesUnbeaten here
Knockdowns landed0
Average fight time15:00
Sig. strikes landed / absorbed per min2.7 / 2.4
Sig. strike accuracy48%
Takedowns per 15 min0.0
Control time13% of the fight
Best winSodiq Yusuff rated 1476 going in

Against the division needs 5 rated fights at 155 lb; Mairon Santos has 1 so far.

How the fights went

Every rated UFC fight at 155 lb. Tap a mark for the fight.

On the clock

All 1 wins went to the judges

When each fight ended. Wins above the line, losses below; decisions sit at the final bell.

KO or TKOSubmissionDecision
Round 1Round 2Round 3Wins
Who they beat, and how

Best win: Sodiq Yusuff, rated 1476 at 155 lb. Dominant in 0 of 1 scored wins

Each fight's dominance score against how highly the opponent was rated at that weight going in, as a percentile of everyone rated there that year, so every weight shares one scale. Up and to the right is a dominant win over a strong opponent.

Dominant winWinLoss or draw
0255075100Weakest25th50th75thToughestOpponent’s standing at the weight going in, percentileDOMINANT 85+

Every UFC fight

4 fights on record, newest first, at every weight. Score is the fight's dominance score out of 100, this fighter first; 85 or more is a dominant win.

DateResultScoreOpponentMethodRoundWeightEvent
6 Dec 2025Win90–10Muhammad NaimovKO/TKOR3 0:21FeatherweightUFC 323: Dvalishvili vs. Yan 2
17 May 2025Win77–23Sodiq Yusuffunanimous decisionR3 5:00LightweightUFC Fight Night: Burns vs. Morales
8 Mar 2025Win73–27Francis Marshallsplit decisionR3 5:00FeatherweightUFC 313: Pereira vs. Ankalaev
24 Aug 2024Win92–8Kaan OfliKO/TKOR2 1:30FeatherweightUFC Fight Night: Cannonier vs. Borralho