Brooklyn's Stephen Dennis drew a foul with 5 seconds left to play and the game tied at 96-all, but he missed both free throws. Teletovic was there for the offensive rebound and was fouled by Rob Kurz. Teletovic made the first foul shot, then missed the second and Boston called a timeout with 3.6 seconds left.
Boston got two more shots off, but missed both.
Pierce and Garnett sat out the fourth quarter and the Brooklyn reserves made a run on Boston's, taking a 96-95 lead on Tornike Shengalia's three-point play with 41 seconds left.
The Celtics and Nets play a preseason rematch Thursday night in Brooklyn.
Mazda top play goes to Celtics Jae Crowder for slamming down a one-handed dunk while being defended by four Hawks in the box.
The Los Angeles Rams kicked off the 2016 draft by picking Cal Bears' QB, Jared Goff, while the possible best prospect slips to the number 13 spot.
The Hawks slammed the door on Isaiah Thomas and the Celtics, but Boston has reason to be optimisitc after playoff disappointment.