Best fights of Sean O'Malley
Over 11 years as a professional, Sean O'Malley has compiled a 20-3 (14) record, including four title fights across two weight classes. Here are his top 10 best fights.
1. Sean O'Malley KOs Aljamain Sterling
On August 19, 2023 Sean O'Malley fought Aljamain Sterling for the UFC bantamweight title. O'Malley was 28 years old with a record of 16-1, and Sterling was 34 with a record of 23-3. O'Malley was coming off a win and Sterling was on a 9-fight winning streak. O'Malley stopped Aljamain Sterling via TKO in the 2nd round. Crowned the new bantamweight champion.
2. Sean O'Malley defeats Marlon Vera in their 2nd fight
On March 9, 2024 Sean O'Malley defended his UFC bantamweight title against Marlon Vera. It was their second meeting. O'Malley was 29 years old with a record of 17-1, and Vera was 31 with a record of 23-8-1. O'Malley was on a 2-fight winning streak and Vera was coming off a win. O'Malley won via unanimous decision. Defended the title.
3. Sean O'Malley defeats Song Yadong
On January 24, 2026 Sean O'Malley faced Song Yadong in a bantamweight bout. O'Malley was 31 years old with a record of 18-3, and Yadong was 28 with a record of 22-8-1. O'Malley was on a 2-fight losing streak, while Yadong was coming off a win. O'Malley won via unanimous decision.
4. Sean O'Malley KOs Eddie Wineland
On June 6, 2020 Sean O'Malley faced Eddie Wineland in a bantamweight bout. O'Malley was 25 years old with a record of 11-0, and Wineland was 35 with a record of 24-13-1. O'Malley was on an undefeated 11-fight winning streak and Wineland was coming off a win. O'Malley stopped Eddie Wineland via KO in the 1st round.
5. Sean O'Malley defeats Petr Yan
On October 22, 2022 Sean O'Malley faced Petr Yan in a bantamweight bout. O'Malley was 27 years old with a record of 15-1, and Yan was 29 with a record of 16-3. Yan was coming off a loss. O'Malley won via split decision.
6. Sean O'Malley loses to Merab Dvalishvili via unanimous decision
On September 14, 2024 Sean O'Malley defended his UFC bantamweight title against Merab Dvalishvili. O'Malley was 29 years old with a record of 18-1, and Dvalishvili was 33 with a record of 17-4. O'Malley was on a 3-fight winning streak and Dvalishvili was on a 10-fight winning streak. O'Malley lost via unanimous decision. Lost the title. Went the distance with Dvalishvili.
7. Sean O'Malley defeats Andre Soukhamthath
On March 3, 2018 Sean O'Malley faced Andre Soukhamthath in a bantamweight bout. O'Malley was 23 years old with a record of 9-0, and Soukhamthath was 29 with a record of 12-5. O'Malley was on an undefeated 9-fight winning streak and Soukhamthath was coming off a win. O'Malley won via unanimous decision.
8. Sean O'Malley KOs Aiemann Zahabi
On June 14, 2026 Sean O'Malley faced Aiemann Zahabi in a bantamweight bout. O'Malley was 31 years old with a record of 19-3, and Zahabi was 38 with a record of 14-2. O'Malley was coming off a win and Zahabi was on a 7-fight winning streak. O'Malley stopped Aiemann Zahabi via TKO in the 2nd round.
9. Sean O'Malley KOs Raulian Paiva
On December 11, 2021 Sean O'Malley faced Raulian Paiva in a bantamweight bout. O'Malley was 27 years old with a record of 14-1, and Paiva was 26 with a record of 21-3. O'Malley was on a 2-fight winning streak and Paiva was on a 3-fight winning streak. O'Malley stopped Raulian Paiva via TKO in the 1st round.
10. Sean O'Malley KOs José Alberto Quiñónez
On March 7, 2020 Sean O'Malley faced José Alberto Quiñónez in a bantamweight bout. O'Malley was 25 years old with a record of 10-0, and Quiñónez was 29 with a record of 9-3. O'Malley was on an undefeated 10-fight winning streak and Quiñónez was coming off a win. O'Malley stopped José Alberto Quiñónez via TKO in the 1st round.