| Mackens Semerzier | |
|---|---|
| Born | November 3, 1980 Miami, Florida, United States |
| Other names | Mack Da Menace |
| Height | 5 ft 9 in (1.75 m) |
| Weight | 145 lb (66 kg; 10.4 st) |
| Division | Featherweight |
| Reach | 72 in (180 cm) |
| Stance | Orthodox |
| Fighting out of | Virginia Beach, Virginia, United States |
| Team | Team Curran Pride Training Center |
| Rank | Black belt in Brazilian Jiu-Jitsu |
| Years active | 2008-2012 |
| Mixed martial arts record | |
| Total | 13 |
| Wins | 8 |
| By knockout | 1 |
| By submission | 7 |
| Losses | 4 |
| By submission | 2 |
| By decision | 2 |
| No contests | 1 |
| Other information | |
| Mixed martial arts record from Sherdog | |
Mackens Semerzier (born November 3, 1980) is an American retired professional mixed martial artist who last competed in the Featherweight division. A professional competitor from 2008 until 2012, he competed for the UFC and WEC.