Mackens Semerzier (born November 3, 1980) is an American retired professional mixed martial artist who last competed in the Featherweight division.
[1] Semerzier made his pro debut against Ryan Lamareaux on a local North Carolina MMA card.
Only a little over a month after his pro debut, Semerzier had his second fight, again winning via rear naked choke submission.
Semerzier made his debut for the promotion at WEC 43 stunning the former IFL Featherweight Champion, Wagnney Fabiano.
[7] Semerzier was defeated by Cub Swanson via split decision in a back and forth affair on November 11, 2010, at WEC 52 in a bout that earned Fight of the Night honors.
[16] Semerzier officially lost via TKO in the third round, but replays showed that a collision of heads started the stoppage.
[20] Semerzier made his return to the cage on August 18, 2012, at XFO 45, defeating Guillermo Serment by submission due to a d'arce choke sixty two seconds into the fight.