BOSTON — Kevin Garnett and Ray Allen made their Boston debuts, and holdoverPaul Pierce scored 22 points to lead the Celtics to a 101-61 victory over theNew York Knicks on Wednesday night.

Brought in to revive the sagging Celtics after their second consecutiveplayoff absence, Garnett had 13 points and eight rebounds, and Allen scored 14points before sitting out the fourth quarter. The New Big Three had seven pointsapiece in the first quarter as Boston opened a double-digit lead.

Zach Randolph had nine points and 12 rebounds for New York, and StephonMarbury scored nine for the Knicks, who did not have a player score in doublefigures. Allan Houston, attempting a comeback after two years off, missed hisonly shot while playing six minutes.

A 10-time All-Star acquired in an unprecedented 7-for-1 trade over thesummer, Garnett teamed with second-year point guard Rajon Rondo for the formerNBA MVP’s first highlight in Boston. Taking an entry pass under the basket,Garnett dished it behind his back to Rondo for the layup.

The basket gave the Celtics a 7-5 lead three minutes into the game, and theynever trailed again.