How does this impact Boston's postseason hopes? More importantly, what does it do to the team's contention window in the short and medium term?

Boston Celtics star Jayson Tatum ruptured his right Achilles tendon in Monday night’s playoff game and will be out for an extended period of time.

The Celtics’ offense is at its best when all five players are aggressively attacking the rim, spraying the ball out to open shooters and scrambling opposing defenses. It’s hard to do that when one player—Holiday in this case—removes himself from the action.