Joseph Duffy

February 18, 1988

Joseph Duffy is an Irish retired mixed martial artist who competed in the lightweight division of the Ultimate Fighting Championship. A professional since 2008, he has formerly competed for Cage Warriors and was a contestant on The Ultimate Fighter: Team GSP vs. Team Koscheck. He is also a former professional boxer.

UFC Fight Night 90: Dos Anjos vs. Alvarez

UFC Fight Night 107: Manuwa vs. Anderson