Sean O'Malley
11W · 3L
Switch
Bantamweight
55% finish rate90% as favorite50% as underdog
1513
ELO Rating
ELO RatingHow is ELO calculated?18-month recency decay · streak amplification · activity velocity · career-death penalty. Old champions can't hide behind past glory.Understanding our ELO →
1512.7Mid-tier→
Recency-weighted skill · finish-adjusted · streak-amplified
Division ELOHow is ELO calculated?18-month recency decay · streak amplification · activity velocity · career-death penalty. Old champions can't hide behind past glory.Understanding our ELO →
#25of 78 active
Age
31
Oct 24, 1994
Height
5'11" (180.34 cm)
Reach
182.88 cm
Win Rate
78.6%
Output & Defense
Rate-normalized career statistics (per 15 minutes, except strike rates which are per-minute)
Strikes landed / min
6.05
SLpM
Strikes absorbed / min
3.40
SApM (lower is better)
Net striking
+2.65
SLpM − SApM
Strike defense
60%
Opponent strikes evaded
Takedowns / 15 min
0.24
TD_Avg
Takedown defense
60%
Opponent TDs stuffed
Sub attempts / 15 min
0.20
Sub_Avg
High-volume strikerElusive striker
Head-to-Head Comparison
Search for a fighter to compare side-by-side
Career Averages (per fight)
17.3
Sig. Strikes
0.8
Takedowns
0.5
Sub Attempts
How They Win
KO/TKO6 (55%)
Submission0 (0%)
Decision0 (0%)
Loss Vulnerability
KO/TKO1 (33%)
Submission1 (33%)
Decision0 (0%)
Betting Profile
Win rate when fighting as favorite vs underdog
As Favorite
90%
9W – 1L in 10 fights
As Underdog
50%
2W – 2L in 4 fights
ELO Trajectory
Skill rating evolution — hover dots for fight details
Elo Changes
Rating gained or lost in each fight
def. Song Yadong
+13.11513
lost to Merab Dvalishvili
-9.31500
lost to Merab Dvalishvili
-4.71509
def. Marlon Vera
+4.71514
def. Aljamain Sterling
+3.91509
def. Petr Yan
+1.91505
def. Raulian Paiva
+1.01503
def. Kris Moutinho
+0.81502
def. Thomas Almeida
+0.61501
lost to Marlon Vera
-0.61501
def. Eddie Wineland
+0.71501
def. Jose Quinonez
+0.41501
def. Andre Soukhamthath
+0.11500
def. Terrion Ware
+0.11500
Division ELO Rankings
Bantamweight · Active fighters ranked by recency-weighted skill
Farid Basharat
1558
Elijah Smith
1550
David Martinez
1546
Raul Rosas Jr.
1546
Aiemann Zahabi
1540
Mario Bautista
1539
Payton Talbott
1536
Jakub Wiklacz
1536
Fight History (14 fights)
vs Song Yadong
UFC 324: Gaethje vs. Pimblett · Jan 24, 2026
UFC 316: Dvalishvili vs. O'Malley 2 · Jun 7, 2025
Loss
View Analysis →UFC 306: Riyadh Season Noche UFC · Sep 14, 2024
Loss
View Analysis →vs Marlon Vera
UFC 299: O'Malley vs. Vera 2 · Mar 9, 2024
UFC 292: Sterling vs. O'Malley · Aug 19, 2023
vs Petr Yan
UFC 280: Oliveira vs. Makhachev · Oct 22, 2022
UFC 269: Oliveira vs. Poirier · Dec 11, 2021
UFC 264: Poirier vs. McGregor 3 · Jul 10, 2021
UFC 260: Miocic vs. Ngannou · Mar 27, 2021
vs Marlon Vera
UFC 252: Miocic vs. Cormier 3 · Aug 15, 2020
Loss
View Analysis →UFC 250: Nunes vs. Spencer · Jun 6, 2020
UFC 248: Adesanya vs. Romero · Mar 7, 2020
UFC 222: Cyborg vs. Kunitskaya · Mar 3, 2018
vs Terrion Ware
The Ultimate Fighter: A New World Champion Finale · Dec 1, 2017