The 27-year-old Tatum tore his right Achilles tendon on Monday night against the New York Knicks when he lunged toward a loose ball and his leg gave out. He buried his face in a towel in obvious pain while grabbing at his leg above the ankle after the non-contact injury.

Jayson Tatum was having a phenomenal game against the Knicks. The Celtics superstar got up to 42 points, eight rebounds, four assists, four steals, and two blocks before his night came to an abrupt end.

The Celtics superstar suffered a potentially serious injury in the fourth quarter of Boston’s loss to the Knicks in Game 4 of their series on Monday night.