Boston Celtics forward/center Xavier Tillman Sr. (knee) isn't available for Monday's meeting with the Hawks. He's dealing with left knee swelling. However, the 25-year-old has averaged only 3.5 points and 3.3 boards in 11 games with the Celtics this season, so his absence doesn't mean much from a fantasy standpoint. Tillman's next chance to play is on Thursday for a rematch with Atlanta. Yet, if Kristaps Porzingis, Al Horford, and Luke Kornet are active, Tillman won't get involved in that ...