Boston CelticsvsPhiladelphia 76ers

Boston open the 2026-27 campaign at TD Garden against Philadelphia, their first competitive game since 2026-05-02 — a gap of 162 days. Neither team has league table data on record for this season, so the read rests on last season's home and away splits plus the model. That model puts Boston at 83.8% to win, with a projected 105-94 scoreline.

Boston's home sample from last season is the strongest figure in this preview: 14 wins and six defeats in 20 games at TD Garden, a 70% win rate, averaging 112.85 points scored and 106 conceded. The closing five games of that campaign were mixed at 105.2 scored and 104.8 conceded, with a LLLWW sequence. The two windows measure different things — a full home split against a five-game run — and should not be read as one trend.

Philadelphia's road record over a comparable 20-game window was 9-11, a 45% win rate, scoring 111.65 and conceding 115.25 — the only split here where a side gives up more than it scores. Their last five read DLLLL, averaging just 82.4 points scored, well below that road figure. They last played on 2026-10-05, six days before this game.

Ten meetings are on record and they are dead level: five wins each. Boston hold a 1069-1034 edge in total points across the series, an average of 210.3 per meeting, and no meeting finished below 199 combined points. The most recent, on 2026-05-02, ended Boston 100-109 Philadelphia.

The splits separate these teams more than the head-to-head does. Boston won 70% of their home games; Philadelphia won 45% on the road. Philadelphia's road scoring average of 111.65 sits well above the 82.4 they have managed across their last five, so the short and long samples point in different directions.

The schedule is asymmetric. Boston have not played since 2026-05-02, a 162-day off-season gap that makes this a season opener rather than a rested side, while Philadelphia played six days ago. No league table data exists for either team, and the model's own confidence is medium — which argues for treating the projection as a reasonable central estimate rather than a firm one.

The margin model gives Boston 83.8% and Philadelphia 16.2%, with expected values of 105.2 and 93.6 — a projected 11.6-point margin and roughly 199 combined points. The margin distribution puts 53.9% on a Boston win by 11 or more, 29.9% on Boston by 1-10, 12% on Philadelphia by 1-10 and 4.2% on Philadelphia by 11-plus. A double-digit Boston win is the single largest bucket, but close to four in ten simulations finish inside ten points either way.

The data leans Boston throughout: the home split, the head-to-head points edge and a model that gives them 83.8% with an 11.6-point projected margin. The clearest caveat is Philadelphia's road scoring average of 111.65, comfortably above the 93.6 the model projects for them here — if that figure holds, the margin narrows quickly. Boston's projected 105 is also below their 112.85 home average, so the model is not asking them to overperform to reach it.