Boston hosts Chicago in a matchup of Eastern Conference teams. Wednesday's matchup is the first this season for the squads.

Tatum (knee) is available for Wednesday's game against the Bulls. Head coach Joe Mazzulla deemed Tatum a game-time call, but the star forward will play while handling his regular workload. Since the beginning of January,

The Celtics got a mix of good and bad news ahead of their tilt against the Chicago Bulls on Wednesday night at TD Garden. The team ruled out Al Horford (toe sprain) and Sam Hauser (hip impingement) for the second straight game while All-Star forward Jayson Tatum (knee tendiopathy) was upgraded from questionable to available about hour before tip off.