Philadelphia heads back to TD Garden down 1-0 after getting blown out 123-91 in Game 1 on April 19. Boston’s profile is clear: slow pace, elite shot quality, and the kind of defense that keeps opponents stuck in the mud for long stretches.
The market is pricing this like a mismatch, with Boston laying a massive number and the total sitting in the mid-210s. That’s consistent with how these teams have played lately: Boston keeps games controlled, while Philly’s offense has been volatile and increasingly reliant on free throws to stabilize possessions.
Odds from BetAnything as of 6:13 a.m. ET on April 20, 2026.
Odds & Game Info
Date: Tuesday, April 21, 2026
Tip time: Listed 7:10 PM ET
Arena: TD Garden (Boston)
| Market | Philadelphia 76ers | Boston Celtics |
|---|---|---|
| Spread | +13.5 (-110) | -13.5 (-110) |
| Moneyline | +610 | -900 |
| Total | Over 216.5 (-110) | Under 216.5 (-110) |
Team Overview
| Team | Record | Last 10 | ATS | O/U | ORtg | DRtg | Pace |
|---|---|---|---|---|---|---|---|
| 76ers | 46-38 | 5-5 | 45-39-0 | 41-43-0 | 115.4 | 115.6 | 99.4 |
| Celtics | 57-26 | 8-2 | 50-33-0 | 30-53-0 | 121.0 | 112.8 | 94.7 |
Team Recaps
Philadelphia 76ers
Philly’s overall results have been closer to coin-flip basketball than the raw record suggests. Their regular-season team efficiency is basically neutral (115.4 ORtg, 115.6 DRtg), and they play faster than Boston (99.4 pace), which can be a double-edged sword on the road if live-ball turnovers fuel transition the other way.
Betting splits show a team that has been more reliable away from home against the number: 25-17-0 ATS on the road, compared to 20-22-0 ATS at home. Straight up, they’re 22-20 away versus 24-18 at home, so the travel piece is less scary than the matchup itself.
The recent scoring environment has skewed Under: in their last 10 games, they’ve gone Under in 8 of 10 totals. That matters with a 216.5 number if Philly’s half-court offense stalls again and they can’t manufacture enough clean threes (they’ve been a lower-volume 3-point team than Boston).
Boston Celtics
Boston’s regular-season identity is built for playoff basketball: elite offense (121.0 ORtg), strong defense (112.8 DRtg), and a slow tempo (94.7 pace) that squeezes opponents’ margin for error. They also take care of the ball extremely well, which keeps games from getting loose.
From a betting standpoint, they’ve been one of the better ATS teams all year (50-33-0), including 26-15-0 ATS on the road and 24-18-0 ATS at home. Straight up, they’ve been dominant in Boston (31-11 home) and solid away (26-15).
The loudest signal is totals: Boston games have been an Under machine (30-53-0 to the Over overall). Even in a 10-game sample, six of their last 10 have finished Under, and that’s with multiple big wins where Boston could have run the score.
Matchup Keys
- Boston’s shot volume from three vs Philly’s math: Boston averages 42.2 3PA per game and 15.5 3PM per game, while Philly allows opponents to shoot efficiently overall (opponent eFG% 54.1%). If Boston’s threes are even average, the spread gets hard to outrun.
- Turnovers are a major separator: Boston commits just 12.3 turnovers per game (best in the league), while Philly’s defense forces 15.3 opponent turnovers per game. If Boston stays clean again, Philly loses one of its best “easy offense” paths.
- Free throw dependence vs Boston’s low-FT style: Philly gets to the line more often (FTA/FGA 0.275), while Boston is last in the league in FTA/FGA (0.208). If whistles lean neutral, Philly’s offense can bog down.
- Pace clash favors Boston’s control: Philly’s pace (99.4) is meaningfully faster than Boston’s (94.7). If Boston dictates tempo, each empty Philly possession carries more weight.
- Paint and transition stress points: Philly scores 16.8 fastbreak points per game, but also allows 16.7 opponent fastbreak points. If the game opens up, it can turn into a run-trading situation that increases volatility.
Betting Trends
- Boston is 50-33-0 ATS on the season.
- Philadelphia is 45-39-0 ATS on the season.
- Boston is 30-53-0 to the Over on the season (53 Unders in 83 games).
- Philadelphia is 41-43-0 to the Over on the season.
- Boston is 24-18-0 ATS at home; Philadelphia is 25-17-0 ATS on the road.
- Boston is 8-2 over its last 10 games; Philadelphia is 5-5 over its last 10.
- Philadelphia has gone Under in 8 of its last 10 games.
- Boston has gone Under in 6 of its last 10 games.
- Boston is 34-24-0 ATS as a favorite; Philadelphia is 17-21-0 ATS as an underdog.
Best Bet
Under 216.5 (-110)
Risk: 3 units (out of 5)
Boston’s pace (94.7) is the biggest driver here. This team consistently drags games into fewer possessions, and their season-long total results back it up (53 Unders in 83 games). Philly has also been trending hard to the Under lately (8 Unders in its last 10), and if the 76ers don’t get a friendly free-throw environment, their half-court efficiency is vulnerable against a defense that doesn’t cough up many transition chances via turnovers.
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