Khris Middleton Rebounds Prop is currently Over/Under 3.5 (-160/+120).
The money has been on the Over as it opened 2.5 @ -500 before it was bet up to 3.5 @ -160.
FACTORS THAT FAVOR THE OVER:
The fastest pace home team in the NBA this year has been the Wizards.
The Cleveland Cavaliers have played at the 9th-most up-tempo pace-of-play in the NBA while traveling this year, which should lead to increased opportunities for the Wizards.