| Joseph Duffy Seosamh Ó Dubhthaigh | |
|---|---|
| Born | 18 February 1988 County Donegal, Ireland |
| Other names | Irish Joe |
| Height | 5 ft 10 in (1.78 m) |
| Weight | 155 lb (70 kg; 11 st 1 lb) |
| Division | Lightweight Welterweight |
| Reach | 73 in (185 cm)[1] |
| Stance | Orthodox |
| Fighting out of | Donegal, Ireland |
| Team | Tristar Gym |
| Rank | Black belt in Taekwondo[2] under Heath Gait[citation needed] Black belt in Ju-Jitsu[2] under Heath Gait[citation needed] Purple belt in Brazilian Jiu-Jitsu under Firas Zahabi[3] |
| Years active | 2008–2021 |
| Professional boxing record | |
| Total | 7 |
| Wins | 7 |
| By knockout | 2 |
| Losses | 0 |
| Kickboxing record | |
| Total | 2 |
| Wins | 2 |
| Losses | 0 |
| Mixed martial arts record | |
| Total | 21 |
| Wins | 16 |
| By knockout | 4 |
| By submission | 10 |
| By decision | 2 |
| Losses | 5 |
| By knockout | 1 |
| By submission | 2 |
| By decision | 2 |
| Amateur record | |
| Total | 2 |
| Wins | 2 |
| By submission | 2 |
| Other information | |
| Boxing record from BoxRec | |
| Mixed martial arts record from Sherdog | |
Joseph Duffy (born 18 February 1988) is an Irish retired mixed martial artist who competed in the lightweight division of the Ultimate Fighting Championship (UFC). 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. He holds a notable victory over the former UFC lightweight and featherweight double-champion, Conor McGregor.