Alexander O'Sullivan
IrelandLast 5Last fight: Loss vs Alexander Lööf · TKO · Jun 19, 2026
CAREER SUMMARY
Alexander O'Sullivan holds a professional MMA record of 5-1-0. O'Sullivan has won 5 fights: 1 by KO/TKO, 2 by submission, 2 by decision. Of 1 career loss, 1 came by KO/TKO and 0 by submission. Most recent fight: June 19, 2026. Tracked organizations: CAGE WARRIORS.
Profile
- Height
- 5'9"175 cm
- Weight
- 145 lbs66 kg
- Reach
- 69"175 cm
- DOB
- Apr 23, 1996
- Age
- 30
- Nationality
- Ireland
- Birthplace
- Ireland
Upcoming
- Cage WarriorsCage Warriors 216: Newcastlevs Milad AhadyFeatherweight
Career history
- LOSSCage Warriors 206: Binder vs Ucar· Jun 19, 2026· Featherweight· 5-1 vs 9-4TKOR1 · 00:00
- WINvs Scott HarveyCage Warriors 200· Feb 21, 2026· Featherweight· 5-0 vs 5-1TKOR1 · 04:37
- WINCage Warriors 195· Oct 4, 2025· Featherweight· 4-0 vs 3-3UDR3 · 05:00
- WINvs Daire TomanCage Warriors 188· Apr 26, 2025· Featherweight· 3-0 vs 4-4UDR3 · 05:00
- WINvs Afrim ThaqiCage Warriors 153· Apr 29, 2023· Bantamweight· 2-0 vs 0-1SUBR1 · 1:18
- WINvs Matteo PichierriCage Conflict 8· Oct 15, 2022· Bantamweight· 1-0 vs 1-1SUB
- LOSSvs Tiarnan LoughranClan Wars 41· Aug 8, 2021· Featherweight· 20-10 vs 6-0SD
- LOSSvs Elaman ShalkimbekovIMMAF-WMMAA· Nov 14, 2019· Featherweight· 20-9 vs 6-1UD
- WINIMMAF-WMMAA· Nov 13, 2019· Featherweight· 20-8 vs 5-3SUBR2 · 1:48
- WINvs Marcello RomanoIMMAF-WMMAA· Nov 11, 2019· Featherweight· 19-8 vs 1-2UD
- WINvs Aleksandar Yankov×1Title bout · Title win #1Akuma Fighting Championship 14· Aug 25, 2019· Featherweight· 18-8 vs 3-6SUBR2 · 2:58
- LOSSvs Anatoly Zolotykh2019 IMMAF-WMMAA European Senior & Junior Open Championships· Jun 22, 2019· Featherweight· 17-8 vs 8-1SD
- WINvs Artem Bachun2019 IMMAF-WMMAA European Senior & Junior Open Championships· Jun 21, 2019· Featherweight· 17-7 vs 5-3SD
- WINvs Tommy Thompson2019 IMMAF-WMMAA European Senior & Junior Open Championships· Jun 20, 2019· Featherweight· 16-7 vs 6-1UD
- LOSS2018 IMMAF Junior World Championships· Nov 15, 2018· Featherweight· 15-7 vs 3-0UD
- WINvs Eryk Walecki2018 IMMAF Junior World Championships· Nov 14, 2018· Featherweight· 15-6 vs 17-8UD
- WINvs Gabriel Pintado2018 IMMAF Junior World Championships· Nov 13, 2018· Featherweight· 14-6 vs 0-1SUBR2 · 0:53
- LOSSvs Jack MaguireCage Legacy 6· Feb 9, 2018· Featherweight· 13-6 vs 11-3UD
- LOSSvs Chris DuncanHeadhunters FC· Nov 18, 2017· Catchweight· 13-5 vs 10-1TKO
- WINCage Legacy Fighting Championship 4· Oct 29, 2017· Lightweight· 13-4 vs 3-3SUB
- LOSSvs Lee HammondBattle Zone FC 17· Aug 19, 2017· Lightweight· 12-4 vs 8-3SUBR1 · 2:12
- LOSSvs Ferdun Osmanov2016 IMMAF European Open Championships· Nov 25, 2016· Lightweight· 12-3 vs 8-3UD
- WINvs Cristian Iorga2016 IMMAF European Open Championships· Nov 24, 2016· Lightweight· 12-2 vs 7-3UD
- WINvs Gustavo Gomez2016 IMMAF European Open Championships· Nov 23, 2016· Lightweight· 11-2 vs 3-7UD
- LOSSvs Rory EvansAdrenalin Fight Night· Oct 1, 2016· Featherweight· 10-2 vs 6-0UD
- WINvs Paul Aylmer×1Title bout · Title win #1Cage Ring Championship 2· Sep 18, 2016· Lightweight· 10-1 vs 5-5-1UD
- WINvs Brian Evans×1Title bout · Title win #1Adrenalin Fight Night· Jun 4, 2016· Featherweight· 9-1 vs 1-1TKOR3 · 2:48
- WINvs James WilliamsShinobi War 7· Apr 30, 2016· Bantamweight· 8-1 vs 2-2SUBR2 · 2:49
- WINvs Peter McCafferty×1Title bout · Title win #1Headhunters FC· Mar 12, 2016· Bantamweight· 7-1 vs 3-3-1DEC
- WINvs Daire TomanAkuma Fighting Championship 7· Feb 20, 2016· Bantamweight· 6-1 vs 3-1UD
- WINvs Aaron DevlinChaos FC 15· Dec 5, 2015· Featherweight· 5-1 vs 3-2MD
- LOSSvs Eoghan DrumgooleBattle Zone FC 13· Jun 6, 2015· Featherweight· 4-1 vs 4-0SD
- WINvs Marcin ZembalaUXC Fight Night 3· May 2, 2015· Featherweight· 4-0 vs 2-5TKO
- WINvs Thomas MooreRyoshin FC 7· Apr 11, 2015· Featherweight· 3-0 vs 0-2SUB
- WINvs Damien SneydRumble in Rush 11· Feb 28, 2015· Featherweight· 2-0 vs 0-1SUB
- WINvs Noah RahmanovRyoshin FC 6· Nov 8, 2014· Bantamweight· 1-0 vs 0-1TKO
Title bout· ×N = title win number N in that promotion
Career stats
Where they rank
All-time boards where Alexander O'Sullivan sits in the top 25.
Related fighters
Recent & upcoming opponents
UFCalendar Power Index rating
- Current
- 1617▼70
- Peak
- 1687Feb 21, 2026
- Rated fights
- 6
Frequently asked questions
When does Alexander O'Sullivan fight next?
Alexander O'Sullivan fights Milad Ahady on Saturday, December 5, 2026 at Cage Warriors 216: Newcastle.
What is Alexander O'Sullivan's record?
Alexander O'Sullivan's professional MMA record is 5-1-0.
Who is Alexander O'Sullivan fighting next?
Alexander O'Sullivan's next opponent is Milad Ahady at Cage Warriors 216: Newcastle.
Who did Alexander O'Sullivan fight last?
Alexander O'Sullivan most recently fought Alexander Lööf at Cage Warriors 206: Binder vs Ucar on Friday, June 19, 2026, LOSS (TKO).
What weight class does Alexander O'Sullivan fight in?
Alexander O'Sullivan fights at Featherweight.
How many knockouts does Alexander O'Sullivan have?
Alexander O'Sullivan has 1 win by KO/TKO and 2 wins by submission.
How tall is Alexander O'Sullivan?
Alexander O'Sullivan is 5'9" (175 cm) tall.
How much does Alexander O'Sullivan weigh?
Alexander O'Sullivan weighs 145 lbs (66 kg).
What is Alexander O'Sullivan's reach?
Alexander O'Sullivan has a reach of 69" (175 cm).
How old is Alexander O'Sullivan?
Alexander O'Sullivan is 30 years old (born Apr 23, 1996).
Where is Alexander O'Sullivan from?
Alexander O'Sullivan is from Ireland.
Get Alexander O'Sullivan's fight history and stats as JSON with the MMA Fight Data API →