The image of Jayson Tatum laying on the ground and not being able to get up will likely be burned into Celtics' minds for years to come.

Ahead of a must-win game for the Celtics, Globe sports columnist Chad Finn explains what’s gone wrong for the team.

Boston Celtics star Jayson Tatum suffered a torn right Achilles tendon during Monday night's playoff loss to the Knicks, the team announced Tuesday. Tatum has already reportedly undergone surgery, and though an exact timetable for his return is not immediately clear, he is expected to miss a significant portion, if not all, of next season.