Joseph Duffy
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.
Known for
- UFC Fight Night 90: Dos Anjos vs. Alvarez (2016)
- UFC Fight Night 147: Till vs. Masvidal (2019)
- UFC Fight Night 72: Bisping vs. Leites (2015)
- UFC 217: Bisping vs. St-Pierre (2017)
- UFC Fight Night 172: Figueiredo vs. Benavidez 2 (2020)
- UFC 185: Pettis vs. Dos Anjos (2015)
- UFC Fight Night 107: Manuwa vs. Anderson (2017)
- UFC 195: Lawler vs. Condit (2016)