Tobias Harris Rebounds Prop is currently Over/Under 5.5 (+100/-128).
The money has been on the Under as it opened 5.5 @ -120 before it was bet down to 5.5 @ -128.
FACTORS THAT FAVOR THE OVER:
The Portland Trail Blazers have played at the 7th-most up-tempo pace in the NBA over the last 10 games, which ought to boost opportunities for the Pistons.