May 10, 2008 11:03 PM EST

The Cleveland Cavaliers jumped out to an early lead against the Boston Celtics on Saturday night and never looked back en route to an important Game Three victory at home.

LeBron James had 21 points, 7 assists and 5 rebounds on 5-for-16 shooting, but it was the play of several other Cavaliers that spurred the win.

Delonte West added 21 points, 7 dimes and 5 boards of his own, while Wally Szczerbiak added 16 points for Cleveland.

The Cavaliers outscored the Celtics 32-13 in the first quarter, and kept Boston from making any significant runs en route to a 108-84 victory.

Ben Wallace, who was considered doubtful for Game Three after leaving Thursday night's loss because of dizziness, played twenty-nine minutes and tallied 9 points and 9 rebounds.

Playing a largely individual offensive game, the Celtics struggled, shooting just 41% on the night. They recorded just seventeen assists in the loss.

Kevin Garnett led with 17 points and 9 rebounds and Paul Pierce (14) and Ray Allen (10) both reached double-figures, but little else went right for Boston.

Cleveland attempted nine more free throws and went 10-for-19 from behind the three-point line, while Boston made just 5 of their 16 three-pointers.

Rajon Rondo had a tough game, scoring 7 points on 3-for-10 shooting while failing to record an assist.

Game Four will be Monday night in Cleveland as the Cavaliers aim to tie up their semifinal series with the top-seeded Celtics.

Via Andrew Perna/RealGM