Copeland scored all his points in the second half and played 19 minutes. He hit two free throws with 11 seconds left to give the Knicks a three-point lead. The Celtics didn't get a shot off before time expired.
Anthony scored all his points in the third quarter and sat the remainder of the game. He picked up a technical foul in the third quarter as the Celtics built a 61-49 lead.
Midway through the fourth quarter, the Knicks went on a 12-0 run to take an 84-78 lead with 3:30 left. Trailing 86-85, the Celtics tied it on Sullinger's free throw with 16.6 seconds left.
The Knicks took a 20-second timeout with 5.2 seconds left, but Copeland missed an off-balanced shot from the perimeter as time expired.
Knicks forward Amare Stoudemire missed the games because of a bruised left knee.
Ben Simmons' versatile game bears a strong resemblance to Draymond Green.
The Mavs, looking to be competitive during veteran Dirk Nowitzki's twilight and beyond, are targeting center Hassan Whiteside and point guard Mike Conley in free agency, sources said.
Rachel Nichols explains why she is a big fan of the NBA's draft night, as well as why it is so meaningful to all the players and their families involved.