Marcus Smart Rebounds Prop is currently Over/Under 2.5 (-154/+120).
The money has been on the Over as it opened 2.5 @ +116 before it was bet up to 2.5 @ -154.
FACTORS THAT FAVOR THE OVER:
The 5th-quickest pace offense in the NBA over the last 5 games has been the Lakers.
The Portland Trail Blazers have played at the 4th-fastest tempo in the league over the last 5 games, which ought to raise opportunities for the Los Angeles Lakers.
FACTORS THAT FAVOR THE UNDER:
The Lakers have been the 3rd-worst offensive rebounding offense in the league since the start of last season (offensive rebounds maintain possession, and a lack of them may therefore eliminate further opportunities for scoring and assists).