Biography · Arts & Performance
Mackens Semerzier
1980–
United States
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Biography
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.
Sources & collection details
Wikipedia contributors — original record ↗
Biography text · CC BY-SA 4.0 · Source checked 2026-10-20