The Celtics rallied late but fell short of a comeback in a 113-105 upset loss to the Brooklyn Nets in NBA Cup pool play.

Boston led early in the back-and-forth game but fell apart in the third quarter when Jaylen Brown headed to the bench with foul trouble. The Nets took command with a 19-4 run to build a double-digit that was stretched as large as 18 points in the third quarter.

The Celtics clawed back into the game with a 15-4 run to start the fourth quarter but it wasn’t enough as Michael Porter Jr. hit some clutch baskets late to lead a 9-3 run and put the hosts away for good.

Jaylen Brown finished with a team-high 26 points in the setback while Anfernee Simons chipped in with 23 points off the bench. Michael Porter Jr. had 30 points and eight rebounds in the the victory while Nic C

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