Complex sentence: Michael Shawn Hettinga (born July 17,1978) is an American professional wrestler, signed with Total Nonstop Action Wrestling and working under the ring name Mike Knox, as a member of Aces & Eights.
Split into simpler sentences: Michael Shawn Hettinga (born July 17,1978) is an American professional wrestler, best known by his ring name Mike Knox. He is currently working for Total Nonstop Action Wrestling as a member of Aces & Eights.