Pierce out

Boston forward Paul Pierce had fluid drained from his right knee yesterday and will miss the next two weeks.

Pierce, who complained of soreness in the knee after Tuesday night's win over Indiana, could be back for Boston's Jan. 6 game at Miami.

Get ready for Griffin

Los Angeles Clippers forward Blake Griffin has been cleared for tougher workouts on his injured left knee, moving the No. 1 draft pick closer to his NBA debut.

Griffin underwent an MRI on his broken left kneecap Tuesday and was cleared to begin running on a treadmill. If his recovery progresses as planned, the former Oklahoma star will be allowed to resume basketball activities in about three weeks.

Big money for Gasol

Pau Gasol agreed to a three-year contract extension with the Los Angeles Lakers. His deal, which extends through the 2013-14 season, could be worth more than $60 million.

"It gives me tremendous peace of mind and safety and confidence," the all-star power forward said.

Assorted injuries

Washington guard Gilbert Arenas limped off the court in the fourth quarter of the Wizards' game at Milwaukee last night with a deep left thigh bruise. . . . Cleveland guard Mo Williams was taken to the locker room in the first quarter against Sacramento with a bruised left knee.

Portland's Brandon Roy sat out last night with a sore shoulder. . . . Denver point guard Chauncey Billups missed his third straight game because of a groin strain. . . . Charlotte center Tyson Chandler has a stress reaction in his left foot and will be out at least a week.
- Inquirer wire services