Boston has won two in a row after dropping six straight. The Celtics backed up their double-overtime victory over Miami on Sunday.
Pierce scored 16 points and seized 10 rebounds while Kevin Garnett delivered 13 points and nine boards. Boston raced to a 21-point halftime lead by outscoring the Kings in the second period 37-14.
Sacramento, loser of five out of six, got 19 points and 11 rebounds from Tyreke Evans. The Kings have lost two out of three to begin their six-game road trip that has stops remaining in Philadelphia, New York and Utah.