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Celtics vs. 76ers prediction: Why Boston is favored to win Game 4 [2026 NBA Playoffs]
Updated: | First published:
Written by Ryan Leaver, Senior Sports and Betting Editor
Get Boston Celtics vs Philadelphia 76ers predictions for NBA Playoffs Sunday.
The Philadelphia 76ers will take on the favored Boston Celtics in Game 4 of their 2026 NBA Playoffs series at Xfinity Mobile Arena on Sunday, starting at 7:00 PM ET.
Based on updated simulations and today’s injury updates, Dimers' proven 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 players like Tyrese Maxey, Paul George and VJ Edgecombe, while the Celtics will look to Jaylen Brown, Jayson Tatum and Payton Pritchard.
This article offers further insights into 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 trusted 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 gives the Celtics a 73% chance of beating the 76ers in Game 4 of the series. Our predicted final score has the Celtics winning 110-103.
According to our model, the 76ers (+7.5) have a 53% chance of covering the spread, while the 213.5-point over/under has a 53% chance of going over.
Celtics vs. 76ers Game 4 odds
We have researched the best NBA odds in America for this game, which are listed here:
| Bet Type | Celtics | 76ers |
|---|---|---|
| Spread | -7.5 (-115) | +7.5 (-105) |
| Moneyline | -305 | +270 |
| Total | o213.5 (-110) | u213.5 (-110) |
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 current odds, we can reveal our picks for each of the major markets. Plus, find our best bet for the game below:
| Bet Type | Pick | Bet Now |
|---|---|---|
| Spread | 76ers +7.5 | -105 |
| Moneyline | 76ers | +270 |
| Total | Over 213.5 | -110 |
According to our best NBA bets for Sunday, the top play to make on this game is 76ers +7.5 at the spread.
These picks are based on our probabilities matched against the implied probabilities from the sportsbook odds.
Celtics vs. 76ers Game 4 player props
NBA prop bets are a popular way to wager on Sunday's Celtics vs. 76ers game without necessarily betting on the outcome. We use the best information available 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 27 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:
| Player | PTS | REB | AST | 3PM | DFS |
|---|---|---|---|---|---|
| Jaylen Brown | 31 | 7 | 6 | 2 | 55 |
| Jayson Tatum | 27 | 11 | 8 | 3 | 58 |
| P. Pritchard | 16 | 4 | 5 | 2 | 31 |
| Derrick White | 15 | 5 | 5 | 2 | 36 |
| Nikola Vucevic | 10 | 6 | 3 | 1 | 24 |
76ers prediction
Projected points, rebounds, assists and three-pointers made for the 76ers:
| Player | PTS | REB | AST | 3PM | DFS |
|---|---|---|---|---|---|
| Tyrese Maxey | 27 | 4 | 7 | 3 | 48 |
| Paul George | 18 | 6 | 4 | 3 | 37 |
| VJ Edgecombe | 16 | 7 | 4 | 2 | 36 |
| Kelly Oubre | 14 | 6 | 2 | 2 | 28 |
| Quentin Grimes | 8 | 3 | 3 | 1 | 19 |
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 elimination tournament held to determine the league's champion.
Sixteen teams, including the Celtics and 76ers, reached the NBA Playoffs 2026, which includes 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 advancing to the next round until a champion is crowned.
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Conclusion
We predict the Celtics, with a 73% win probability, will likely beat the 76ers in Sunday's NBA playoffs matchup.
Additional tools and information for betting safely can be found in our Responsible Gambling hub.
Ryan Leaver uses advanced statistical models and simulations to predict outcomes and provide predictions for the NBA, NFL, college football, college basketball, and soccer. He offers detailed game previews, best bets, props, and futures articles.
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