The 2023 NBA In-Season Tournament continues with a quarterfinal matchup between the Indiana Pacers and the Boston Celtics at 7:30 p.m. ET on Monday. For this game, SportsLine consensus lists the Celtics as 5.5-point favorites, while the over/under is 246 (see up-to-date odds for every game this week on our NBA odds page). 

Before making any Celtics vs. Pacers picks, you NEED to check out the NBA predictions from the SportsLine Projection Model.

The SportsLine Projection Model simulates every NBA game 10,000 times and has returned well over $10,000 in profit for $100 players on its top-rated NBA picks over the past five-plus seasons. The model enters Week 7 of the 2023-24 NBA season on an 92-50 roll on all top-rated NBA picks dating back to last season, returning nearly $4,000. Anyone following it has seen HUGE returns!

The model knows the Celtics have the better defense in this matchup. Boston is allowing fewer than 1.08 points per possession this season. The Celtics are also holding opponents to just 44.0% shooting, including 49.7% on 2-point attempts. Boston ranks in the top five of the NBA in free throw prevention, assist prevention, and defensive rebounding. 

The model also knows the Pacers have the NBA's best offense. Indiana is scoring almost 1.24 points per possession this season, leading the league by a comfortable margin. The Pacers also lead the NBA in field goal percentage (51.1%) and 2-point percentage (60.2%), with top-five marks in 3-pointers (15.0 per game) and 3-point accuracy (38.4%). Indiana is No. 1 in the league in assists, fast break points, and points in the paint.

Now, it has set its sights on Celtics vs. Pacers. We can tell you the model is leaning Under the total, and it also says one side of the spread hits in nearly 60% of simulations! You ABSOLUTELY need to see it before locking in any NBA picks.

Who wins Celtics vs. Pacers? And which side of the spread hits in nearly 60% of simulations? ... Join SportsLine right now to find out which side of the Celtics vs. Pacers spread you should be all over Monday, all from the model on a roll on NBA picks!