He ended up putting together a nine-year career for himself with five different teams (the Celtics, Chicago Bulls, Dallas Mavericks, Houston Rockets, and Seattle SuperSonics). Griffin eventually made his NBA debut during the 1999-2000 with the Boston Celtics. After going undrafted in the 1996 NBA Draft, Griffin spent three years in the American minor leagues and overseas in Italy. Adrian Griffin did not have an easy route to the NBA.