Donovan Clingan Rebounds Prop is currently Over/Under 10.5 (-129/+104).
The money has been on the Over as it opened 7.5 @ -600 before it was bet up to 10.5 @ -129.
FACTORS THAT FAVOR THE OVER:
Offensive rebounds lengthen possession and create more chances for scoring and assists, and the Portland Trail Blazers grade out 2nd-best in in the NBA with 14.1 offensive boards per game this year.
FACTORS THAT FAVOR THE UNDER:
The Portland Trail Blazers have played at the 6th-least up-tempo tempo in the NBA over the last 5 games.
The Celtics have played at the least up-tempo tempo in the league this year, which ought to lead to fewer opportunities for the Trail Blazers.