Tatum’s brilliant tenure with the Celtics took a painful turn Monday night. It’s a reminder of how quickly an athlete’s fortunes can change.

Tatum’s injury could force Boston, already facing a huge luxury tax bill, to make a major pivot.

Tatum had been Boston’s iron man. Seeing him helped off the court ripped a hole in the Celtics.

The Knicks and Timberwolves are in a position to close their respective series and advance to their conference finals.