The NBA Cup's group stage heats up on Halloween night when the Boston Celtics and Philadelphia 76ers renew their Atlantic Division rivalry in a primetime showdown (7:00 PM ET). This early-season clash carries extra weight as both Eastern Conference powerhouses look to establish dominance in the tournament format, where every possession could determine playoff positioning. The Celtics bring their trademark precision and depth into Wells Fargo Center, while the 76ers will counter with their physical brand of basketball and home-court energy.

While the regular season is still young, this matchup offers an early measuring stick for two teams with championship aspirations. Boston's balanced attack and defensive versatility will be tested against Philadelphia's size and interior presence. With both squads eager to make a statement in the NBA Cup's group phase, expect a high-intensity battle where execution in crunch time could prove decisive. The Halloween atmosphere in Philly will only add to the drama as these division rivals write the first chapter of what promises to be a season-long saga.