The Philadelphia 76ers host the Boston Celtics for Game 4 of a second-round series at 3:30 p.m. ET on Sunday. The Celtics lead the series by a 2-1 margin after a Game 3 win on Friday, with both Joel Embiid and Marcus Smart listed as questionable for Game 4. Boston is favored by 1.5 points at Caesars Sportsbook, while the over/under is set at 214 (see up-to-date odds for every game this week on our NBA odds page).

Before making any Celtics vs. 76ers 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 four-plus seasons. The model entered the conference semifinals of the 2023 NBA playoffs a stunning 71-38 on all top-rated NBA picks this season, returning more than $2,800. Anyone following it has seen HUGE returns!

The model knows the Celtics are having defensive success in the series to this point. Boston is allowing fewer than 1.09 points per possession against a top-flight offense. That includes holding Philadelphia to 43.5% shooting and only 17.0 assists per game. 

The model also has factored in the 76ers have strong offensive numbers in the playoffs. Philadelphia is shooting 39.1% from 3-point range and 87.8% at the free throw line after leading the NBA in both categories during the regular season. The 76ers are also securing 31.6% of available offensive rebounds in the postseason.

Now, it has set its sights on Celtics vs. 76ers. We can tell you the model is leaning Over the total, and it also says one side of the spread has ALL the value! You ABSOLUTELY need to see it before locking in any NBA picks.

Who wins Celtics vs. 76ers? And which side of the spread has ALL the value? ... Join SportsLine right now to find out which side of the Celtics vs. 76ers spread you should be all over Sunday, all from the model on a roll on NBA picks!