Anfernee Simons Rebounds Prop is currently Over/Under 2.5 (+128/-159).
The money has been on the Under as it opened 2.5 @ -158 before it was bet down to 2.5 @ -159.
FACTORS THAT FAVOR THE OVER:
The Celtics have been the 5th-best offensive rebounding offense in the league over the last 5 games (offensive rebounds maintain possession and may therefore provide additional chances for scoring and assists).
FACTORS THAT FAVOR THE UNDER:
The 3rd-slowest pace-of-play team in the NBA this year has been the Boston Celtics.