Oumar Mamadou Sy is a French professional mixed martial artist fighting out of Paris, France. The city is home to the International Federation for Human Rights, the Organisation for Economic Co-operation and Development (OECD) and the United Nations Educational, Scientific and Cultural Organization (UNESCO).
BIOGRAPHY
Currently, Sy is signed with the Ultimate Fighting Championship, which is based in Las Vegas, Nevada, United States and he trains at Bulgarian Top Team in Sofia, Bulgaria. Here are 10 more things about him:
- He competes in the light heavyweight division.
- He was born and raised in Paris.
- He worked as a motorcycle taxi driver while pursuing a career as an MMA fighter.
- Before joining the UFC, he competed in Eagles Fighting Championship, 100% Fight, German MMA Championship, Oktagon MMA, Konfrontacja Sztuk Walki, Ares Fighting Championship and The King of Fighters.
- He is 6’4″ tall.
- He holds a professional MMA record of 11 wins and 1 loss.
- On June 9, 2019, he made his professional MMA debut.
- In October 2023, he signed with the UFC.
- On May 18, 2024, he made his UFC debut.
- On November 21, 2024, he turned 29.
TIMELINE
From 2019 to 2025, Sy fought 12 professional MMA opponents. Here are the results:
2019
- On June 8, 2019, he knocked out Amar Nabil at “EFC 1” in Conthey, Valais, Switzerland.
- On October 19, 2019, he knocked out Sophien Hadj Doula at “100% Fight 41” in Paris.
2020
- On September 26, 2020, he submitted Mehdi Matajev at “GMC Fight Night – Grabinski vs. Stoimenov” in Duisburg, Germany.
- On December 30, 2020, he submitted Daniel Skvor at “Oktagon 20” in Prague, Czech Republic.
2021
- On October 23, 2021, he defeated Adam Tomasik via technical knockout at “KSW 64” in Lodz, Poland.
2022
- On February 3, 2022, he defeated Paulin Begai via unanimous decision at “Ares 3” in Paris.
- On July 3, 2022, she defeated Bartlomiej Gladkowicz via unanimous decision at “KSW 72” in Kielce, Poland.
2023
- On March 17, 2023, he submitted Henrique da Silva at “KSW 80” in Lubin, Poland.
- On June 30, 2023, he defeated Ildemar Alcantara at “KOF 1” in Rennes, France.
2024
- On May 18, 2024, he submitted George Tokkos at “UFC Fight Night 241” in Enterprise, Nevada.
- On September 28, 2024, he defeated Da Woon Jung via unanimous decision at “UFC Fight Night 243” in Paris.
2025
- On June 14, 2025, he lost to Alonzo Menifield via unanimous decision at “UFC on ESPN 69” in Atlanta, Georgia, USA.

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