Complex sentence: Sullivan made his professional debut in 2006 competing in regional promotions in his native New Jersey, compiled a record of 14-3, and won the Cage Fury Fighting Championships Welterweight Championship.
Split into simpler sentences: Sullivan made his professional debut in 2006 competing in regional promotions in his native New Jersey. He compiled a record of 14-3, also earning the Cage Fury Fighting Champioships Welterweight Championship.