The St. Louis native went down late in the game with a non-contact injury that had him writing on the ground in pain.

The Celtics offseason was going to be full of tough questions even before Boston lost its All-Star to an apparent serious leg injury in New York on Monday night. That offseason is coming on the horizon far quicker than most expected following Jayson Tatum’s injury with the team now just one game from elimination.

Star guard didn’t hesitate to back his team after a crushing Game 4 loss—and a devastating blow to their leader