Celtics vs. 76ers prediction: Why Boston is favored to win Game 4 [2026 NBA Playoffs]

NBA Playoffs action continues on Sunday at 7:00 PM ET as the favored Boston Celtics square off with the Philadelphia 76ers in Game 4 of their 2026 NBA Playoffs series at Xfinity Mobile Arena.

Based on the latest simulation results and today’s injury reports, Dimers' advanced NBA model predicts the Celtics as the most likely winner of the Celtics vs. 76ers Game 4 matchup.

This prediction follows the latest NBA Injury Report, which suggests the 76ers lineup will feature stars like Tyrese Maxey, Paul George and VJ Edgecombe, while the Celtics will be led by Jaylen Brown, Jayson Tatum and Payton Pritchard.

This article offers a closer look at Sunday's matchup, including an expanded look at the predicted score, best bets and player prop picks.

Sixers vs. Sixers prediction: Who will win Game 4?

Using innovative machine learning and data, we have simulated the outcome of Sunday's NBA Playoffs game between the Celtics and 76ers, forming part of our NBA predictions coverage.

Our leading predictive model currently gives the Celtics a 71% chance of defeating the 76ers in Game 4 of the series. Our predicted final score has the Celtics winning 110-104.

According to our model, the bookies have got it right, and the Celtics and 76ers each have a 50% chance of covering the spread, while the over/under total of 212.5 points has a 54% chance of going over.

Celtics vs. 76ers Game 4 odds

We have sourced the best NBA odds in America for this game, which are listed here:

All odds are correct at the time of publication and are subject to change.

Celtics vs. 76ers picks and best bet for Game 4

After matching our predictions against the best available odds, we can reveal our picks for each of the major markets. Plus, find our best bet for the game below:

According to our best NBA bets for Sunday, the top play to make on this game is Celtics to win.

These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.

Celtics vs. 76ers Game 4 player props

Looking for Celtics vs. 76ers NBA player props? We have crunched the numbers to project how each team's leading players will perform at Xfinity Mobile Arena.

Jaylen Brown is expected to lead the Celtics with 31 points, 7 rebounds and 6 assists, while Tyrese Maxey is projected to have 26 points, 4 rebounds and 7 assists for the 76ers.

Check out our NBA player projections for a full range of projected box scores, including points, assists, rebounds and today's NBA first basket picks.

Celtics prediction

Our model's projected player stats for the Celtics are:

76ers prediction

Projected points, rebounds, assists and three-pointers made for the 76ers:

Celtics vs. Sixers Game 4 updates and essential details

Sunday's Game 4 between the 76ers and Celtics in the NBA Playoffs is scheduled to begin at 7:00 PM ET.

• Who: Boston Celtics vs. Philadelphia 76ers
• Date: Sunday, April 26, 2026
• Time: 7:00 PM ET/4:00PM PT
• Venue: Xfinity Mobile Arena
• NBA Playoffs bracket: Updated NBA Playoffs bracket and schedule

The NBA Playoffs is an annual postseason tournament held to decide the league's champion.

Sixteen teams, including the Celtics and 76ers, reached the NBA Playoffs 2026, which spans four rounds: the First Round, Conference Semifinals, Conference Finals, and NBA Finals.

Each round is contested as a best-of-seven series, with the first team to four wins moving on to the next round until a champion is crowned.

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Conclusion

We predict the Celtics, with a 71% win probability, will likely beat the 76ers in Sunday's NBA playoffs matchup.

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