Kris Joseph's consecutive three-point plays to open the fourth quarter, part of a 24-4 stretch, gave Boston its first lead since the 7:34 mark of the first quarter.
The Knicks led 52-47 at halftime.
They stay in upstate New York to play Philadelphia on Monday in Syracuse, sending Anthony back to where he won a national championship in 2003 as a freshman, an NCAA tournament run that included a stop here.
The Warriors have a stable of young assistants waiting to take the next step in their development under head coach Steve Kerr.
The Celtics and coach Brad Stevens love the versatility of swingman Evan Turner, but might court other free agents before circling back to him.
Marc Stein says being offered the Lakers' head coaching job was too good of an opportunity to pass up for Luke Walton.