Jayson Tatum's torn Achilles sidelined the Celtics, forcing a strategic crossroads: tank or reload around a wounded but still potent core. Boston has already moved key salaries by shipping out Holiday, Porzingis, and Niang, while Kornet and likely Horford leave the door open for cap relief. The East’s softness keeps a potential late-season push in play, but the pulsating question remains: can the Celtics sustain fantasy value and contender odds if they pivot toward a rebuild?