BOSTON, Massachusetts (AP) -- Tim Duncan scored 23 of his 25 points in the second half, powering the injury-depleted San Antonio Spurs to a 104-92 win over the Boston Celtics on Wednesday night.
Marco Belinelli added 16 points, 11 rebounds and eight assists for the Spurs, who were without guards Tony Parker and Manu Ginobili and forward Tiago Splitter - all sidelined with injuries.
Boris Diaw added 18 points and Duncan grabbed nine rebounds to lead the Spurs to their fifth win in seven games.
Rajon Rondo led Boston with 16 points and Kris Humphries and rookie Kelly Olynyk had 15 apiece. The Celtics fell to 4-18 against Western Conference teams.
Boston was minus guard Avery Bradley, who was sidelined with a sprained right ankle.