Xavier Tillman Blocks Prop is currently Over/Under 0.5 (+110/-155).
The money has been on the Under as it opened 0.5 @ -135 before it was bet down to 0.5 @ -155.
FACTORS THAT FAVOR THE OVER:
The Cleveland Cavaliers have played at the 5th-most up-tempo tempo in the NBA over the last 10 games in their home city, which should lead to more plays for the Celtics.
FACTORS THAT FAVOR THE UNDER:
The Boston Celtics have played at the most lethargic pace-of-play in the league this year.