Tatum torched the Knicks for 40 points in 37 minutes, checking out for good with nine minutes left in the fourth quarter. He drained seven 3s on 14 attempts and went 13-of-26 from the field in his latest Garden masterpiece — just months after lighting the Knicks up for 37 points and 10 assists on 8-of-11 shooting from deep on opening night.

Jayson Tatum's poster dunk for his first bucket of the game was a sign of things to come on Saturday night. Read more on Boston.com.

Jayson Tatum drives to the rim and powers through to extend the Celtics' late lead over the Heat.