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 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 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.
4. 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.
5. Sean O'Malley defeats Pedro Munhoz
On July 2, 2022 Sean O'Malley faced Pedro Munhoz in a bantamweight bout. O'Malley was 27 years old with a record of 15-1, and Munhoz was 35 with a record of 19-7. O'Malley was on a 3-fight winning streak, while Munhoz was on a 2-fight losing streak. O'Malley won via no contest.
6. 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.
7. Sean O'Malley loses to Merab Dvalishvili in their 2nd fight via KO
On June 7, 2025 Sean O'Malley fought Merab Dvalishvili for the UFC bantamweight title. It was their second meeting. O'Malley was 30 years old with a record of 18-2, and Dvalishvili was 34 with a record of 19-4. O'Malley was coming off a loss, while Dvalishvili was on a 12-fight winning streak. Dvalishvili submitted O'Malley via north-south choke in the 3rd round. Failed to capture the title.