Payton Pritchard had 20 points to lead the Celtics. Jayson Tatum had just 16 points and Jaylen Brown had 10, with the All-Star duo combining to make just 9 of 31 shots.

Porzingis was one of the few offensive bright spots in the loss for Boston, scoring 18 points on 7-of-11 shooting, including 4-of-5 from 3-point range. Boston shot just 39.6 percent as a team though with All-Stars Jayson Tatum and Jaylen Brown combining for 26 points on 32 percent shooting.

The Boston Celtics have been in a slump for nearly a month now, and Kristaps Porzingis isn't pleased with the team's effort amidst their struggles.