Jayson Tatum Blocks Prop is currently Over/Under 0.5 (+100/-130).
The money has been on the Over as it opened 0.5 @ +110 before it was bet up to 0.5 @ +100.
FACTORS THAT FAVOR THE OVER:
The Portland Trail Blazers have played at the 3rd-speediest tempo in the NBA over the last 10 games, which should lead to increased opportunities for the Celtics.
FACTORS THAT FAVOR THE UNDER:
The Boston Celtics have played at the 2nd-most sluggish pace-of-play in the league over the last 10 games.