Harrison Barnes Blocks Prop is currently Over/Under 0.5 (+525/-1100).
The money has been on the Over as it opened 0.5 @ +525 before it was bet up to 0.5 @ +525.
FACTORS THAT FAVOR THE OVER:
The San Antonio Spurs have played at the 2nd-quickest pace in the NBA over the last 20 games when playing on the road.
FACTORS THAT FAVOR THE UNDER:
The Spurs will likely see a decline in possessions today from squaring off against the slowest tempo offense in the NBA this year (the Boston Celtics).