What happened: Jayson Tatum was captured shaking his head at jeering Philadelphia 76ers fans during Game 4. The moment highlighted Boston's road dominance in the playoff matchup. Celtics now lead the series 3-1 after the victory in Philly.

Why it matters: Tatum's taunt underscores Boston's confidence heading into a potential closeout at home. It amplifies the heated Celtics-Sixers rivalry amid playoff stakes. Fans chanting 'We want Boston' signals strong momentum for a gentleman's sweep.

What to watch: Celtics host Game 5 with chance to end series at TD Garden.