Bridgeport Sound Tigers
After leaving UNH he played in the AHL for three seasons with the Norfolk Admirals and the Bridgeport Sound Tigers. In 2001 and 2002 he attended the Chicago Blackhawks' training camp. The next two seasons Souza split his time between the ECHL and the AHL, playing for the Florence Pride and Reading Royals of the ECHL, and the Portland Pirates, Bridgeport Sound Tigers, and Hershey Bears of the AHL.