Norman Powell Blocks Prop is currently Over/Under 0.5 (+290/-450).
The money has been on the Under as it opened 0.5 @ -400 before it was bet down to 0.5 @ -450.
FACTORS THAT FAVOR THE OVER:
The quickest pace-of-play offense in the league this year has been the Heat.
The Portland Trail Blazers have played at the 7th-speediest pace-of-play in the league with the home court advantage this year, which should boost plays for the Miami Heat.