John Kolosci is a retired American mixed martial artist. A professional from 2003 until 2011, he competed for the UFC, Bellator, Strikeforce, the XFC, and was a competitor on The Ultimate Fighter, fighting for Team Serra.
John Kolosci is a retired American mixed martial artist. A professional from 2003 until 2011, he competed for the UFC, Bellator, Strikeforce, the XFC, and was a competitor on The Ultimate Fighter, fighting for Team Serra.
