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.
Jalen Rose and David Jacoby try to figure out what happened to Kevin Love during games 3 and 4 of the Raptors series, and how his fourth quarter benching might be a reflection of Love's future in Cleveland.
Miami Heat assistant David Fizdale's candidacy for the Grizzlies' coaching job is gaining steam, league sources told ESPN.com.
In honor of TNT's Craig Sager being announced as the recipient of the Jimmy V Perseverance Award at the 2016 ESPY Awards, look back at NBA coaches and stars paying respect to Sager and disdain to his wardrobe.