Following a collegiate career at Providence College, the 6' 8" small forward was selected by the Boston Celtics with the 14th pick in the 1995 NBA Draft. He played two years with them before being traded to the Denver Nuggets during the 1997 offseason for a couple of second round draft picks. The Nuggets only got four games out of Williams during the 1997-98 campaign due to him tearing the anterior cruciate ligament in his right knee. The following season he returned, but only played in 38 of 50 regular season games with Denver before they repatriated him back to Boston along with Danny Fortson and Eric Washington plus a future draft pick in exchange for Ron Mercer, Ronald "Popeye" Jones and Dwayne Schintzius. His second tenure with the Celtics lasted over four seasons until they traded hi