Boston Celtics forward/center Xavier Tillman Sr. (knee) won't play on Sunday against Miami. The 25-year-old, who was traded from Memphis on Thursday, continues to deal with a knee injury. He'll now miss his sixth straight contest, so it's anyone's guess when he'll be ready to make his C's debut. Tillman has plenty to offer. However, unless he gets a regular role in the rotation, he's not expected to be a consistent contributor for fantasy managers. But with Kristaps Porzingis seemingly always...