If one event can dramatically alter even the most sustainable team-building strategy, is it even possible to maintain a championship window?

The Boston Celtics season unofficially ended when Jayson Tatum ruptured his Achilles in the team's Game 4 loss to the New York Knicks in their Eastern Conference semifinals series. Now, the future is murky for both Tatum and the Celtics,

With a payroll well over the salary cap, it's unlikely the Celtics will bring back nearly their entire roster for the 2nd straight summer.