Despite an excellent college career, Watson went undrafted in 2006 NBA draft. He then played briefly with San Antonio Spurs in 2006 NBA summer league before joining Italian Serie A team Bipop Carire Reggio Emilia. He averaged 8.5 points and 2.3 rebounds in 17 games. He then moved on to join Greek A1 Ethniki team PAOK B.C. where he averaged 7.4 points and 2.2 assists in five games.