Norman Powell Blocks Prop is currently Over/Under 0.5 (+250/-375).
The money has been on the Over as it opened 0.5 @ +270 before it was bet up to 0.5 @ +250.
FACTORS THAT FAVOR THE OVER:
The Heat have played at the quickest pace in the NBA this year.
The Hawks have played at the most up-tempo pace-of-play in the NBA over the last 5 games, which ought to lead to more opportunities for the Miami Heat.