Celtics' Jayson Tatum carried off in Game 4 with leg injury

Celtics star Jayson Tatum leaves the game after an injury in the fourth quarter vs. the Knicks. (1:05)
Jayson Tatum helped off court after going down in pain (1:05)
NEW YORK -- Celtics star Jayson Tatum was carried off the court while putting no weig... [1118 chars]