RJ Barrett Blocks Prop is currently Over/Under 0.5 (+280/-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 10th-fastest tempo team in the NBA this year has been the Raptors.
The Raptors are expected to see a spike in possessions in this contest from being pitted against the 9th-most up-tempo tempo offense in the league this year (the Bucks).