Sean O'Malley (fighter)
20–3 · 29 recorded bouts · 2015–2026
20–3
Sean O'Malley (fighter) finished 70% of 20 wins inside the distance — the 55th percentile for bantamweight MMA, where the median is 68%. No reach is on record, so this page compares record rather than measurements.
SOURCE·Sean O'Malley (fighter) — English Wikipedia (CC BY-SA 4.0)·derived figures computed here·REVIEWED 2026-07-12
How this record is compiled
- Measurements come from the fighter's English Wikipedia infobox; the bout list is parsed from the results table on the same article, read on 2026-07-12. Boxing tables are read by header name and MMA records by the fixed column order of the
MMA recordtemplate — two different parsers, because reading MMA rows as a boxing table returns a fighter's boxing record in place of their real one. - A bout enters the ledger with whatever fields the source states: result, opponent, method, round, year. Any field the source leaves empty stays empty here. A date that cannot be established is left blank rather than inferred, and the bout is still counted.
- A no contest is counted and printed as a no contest. It is never folded into the wins, the losses or the draws, and it never disappears to make a total balance.
- Where the article's infobox total disagrees with its own results table, both figures are published and each is labelled with where it came from. Nothing is averaged and nothing is reconciled against a second database.
- Percentiles rank this fighter among the 186 bantamweight MMA fighters in the dataset — the most specific group of at least 30 that this fighter belongs to.
Bout record
Every bout the article's own results table lists, in order. A dash is a field the source leaves empty — it is not a zero and it is not a guess.
| Year | Result | Opponent | Method | Rd |
|---|---|---|---|---|
| 2026 | W | Aiemann Zahabi | KO/TKO | 2 |
| 2026 | W | Song Yadong | Decision | 3 |
| 2025 | L | Merab Dvalishvili | Submission | 3 |
| 2024 | L | Merab Dvalishvili | Decision | 5 |
| 2024 | W | Marlon Vera | Decision | 5 |
| 2023 | W | Aljamain Sterling | KO/TKO | 2 |
| 2022 | W | Petr Yan | Decision | 3 |
| 2022 | N | Pedro Munhoz | — | 2 |
| 2021 | W | Raulian Paiva | KO/TKO | 1 |
| 2021 | W | Kris Moutinho | KO/TKO | 3 |
| 2021 | W | Thomas Almeida | KO/TKO | 3 |
| 2020 | L | Marlon Vera | KO/TKO | 1 |
| 2020 | W | Eddie Wineland | KO/TKO | 1 |
| 2020 | W | José Alberto Quiñónez | KO/TKO | 1 |
| 2018 | W | Andre Soukhamthath | Decision | 3 |
| 2017 | W | Terrion Ware | Decision | 3 |
| 2017 | W | Alfred Khashakyan | KO/TKO | 1 |
| 2017 | W | David Nuzzo | KO/TKO | 1 |
| 2017 | W | Irvin Veloz | KO/TKO | 1 |
| 2016 | W | Tycen Lynn | KO/TKO | 2 |
| 2016 | W | David Courtney | — | 1 |
| 2015 | W | Mark Coates | Decision | 3 |
| 2015 | W | Omar Avelar | Submission | 1 |
| 2015 | W | Shane Sargent | KO/TKO | 1 |
| 2015 | W | Josh Reyes | KO/TKO | 1 |
| undated | ? | August 19, 2023 | — | — |
| undated | ? | March 9, 2024 | — | — |
| undated | ? | September 14, 2024 | — | — |
| undated | ? | June 7, 2025 | — | — |
13 of these opponents have their own page here.
SOURCE·Sean O'Malley (fighter) — English Wikipedia (CC BY-SA 4.0)·derived figures computed here·REVIEWED 2026-07-12
What is on record
| Reach | not recorded | |
|---|---|---|
| Height | 71″ (180.3 cm) | |
| Stance | — | |
| Division | Bantamweight MMA competed at 2: flyweight, bantamweight — compared here against the last | |
| Most active decade | 2020s — 14 of 25 dated bouts | |
| Country | United States |
Wikipedia carries no reach figure for Sean O'Malley (fighter), so the reach-advantage comparison this site is built on cannot be computed. Everything below comes from the record instead.
Record
MMA record
20–3
23 bouts on record
Finish rate
70%
of wins ended inside the distance — bantamweight MMA median 68%, 55th percentile
The career, bout by bout
29 recorded bouts from 2015 to 2026. Every incumbent shows this as a table you have to read; here it is as a shape you can see.
Career span
12y
2015–2026
Longest unbeaten run
11
without a loss — draws do not break it
Busiest year
2015
4 bouts
Recorded bouts
29
25 with a date
Records in more than one sport
Every incumbent database is siloed by sport. Sean O'Malley (fighter) competed in 2, so the records sit together here.
| Discipline | Won | Lost | By KO |
|---|---|---|---|
| MMA | 20 | 3 | 13 |
| Boxing | 1 | — | 1 |
What this record does and does not say
- What is Sean O'Malley (fighter)'s record?
- 20–3 in MMA. That is the aggregate stated in the English Wikipedia infobox; the results table on the same article lists 29 bouts individually.
- How many of Sean O'Malley (fighter)'s bouts have no date?
- 4 of 29. The source lists them without a date this site can read, so they are printed with no year, sorted last, and drawn past the double rule in the record line rather than placed in the chronology. No year has been inferred for any of them.
- Does a no contest change a record here?
- No. A no contest is not a win, a loss or a draw, and it is never folded into one. It is counted and printed separately, so a 20–0 record with two no contests is shown as exactly that rather than as 22–0 or as 20–0 with the no contests dropped. The same applies to a bout overturned after the fact where the source records the change.
- What happens when sources disagree about a fight?
- This site publishes one source — the fighter's English Wikipedia article, read on the date printed under every table — and it does not silently reconcile that against anyone else's database. Where the article's own infobox total and its own results table disagree, both are shown and the page says which one each figure came from. Nothing is averaged, and no field is filled in from a second source to make a total balance.
Where this record leads
The 186 bantamweight MMA fighters this record is ranked against, and the distribution (fighter) sits inside.
186 FIGHTERS 2020s MMA14 of these bouts fall in the 2020s. This is what the rest of that decade's records look like.
268 FIGHTERS Merab Dvalishvili vs Sean O'Malley (fighter)A bout both records confirm — set out side by side, with every opponent the two men have in common.
2024 Longest unbeaten runsSean O'Malley (fighter) went 11 without a loss. This is where that sits against every run on the site.
LEADERBOARD