American mixed martial arts league founded in 2017 by Donn Davis and launched in 2018, known for its regular-season, playoff, and championship format.
American mixed martial arts league founded in 2017 by Donn Davis and launched in 2018, known for its regular-season, playoff, and championship format.

Omran Chaaban
Osama El Saidy
Oscar Rizzo

Osvaldo Benedito

Otto Rodrigues

Oualid Gounaine

Oualy Tandia

Oussama El Idrissi
Oussama El Idrissi

Owen Carr
Ozzie Alvarez
Ozzy Dugulubgov
World Series of Fighting 21: Palmer vs. Horodecki
Edmonton, Canada
World Series of Fighting 20: Branch vs. McElligott
Mashantucket, United States
World Series of Fighting 19: Gaethje vs. Palomino
Phoenix, United States
World Series of Fighting 18: Moraes vs. Hill
Edmonton, Canada
World Series of Fighting 17: Shields vs. Foster
Las Vegas, United States