Grayson Allen was among the players visiting the Celtics on Friday for a pre-draft workout.
Allen played 142 games in his four seasons at Duke and averaged 15.5 points as a player. He was also known for kicking and tripping opposing players.
Other potential draft choices who worked out for the team in Waltham included Louisville's Deng Adel, Oklahoma State's Jeffrey Carroll, Arizona's Allonzo Trier, TCU's Kenrich Williams and Kansas's Billy Preston.
About 50 prospects have visited the Celtics practice facility so far.





