Blazers F LaMarcus Aldridge (Knee) Out Friday Vs. Clippers

The Portland Trail Blazers announced Thursday that All-Star forward LaMarcus Aldridge will not play against the Los Angeles Clippers on Friday because of a sore left knee. Aldridge underwent an MRI after sitting out practice on Thursday, and the results came back negative.

Chris Haynes of CSNNW.com reported on Twitter that Aldridge went to the locker room early during Wednesday's preseason game against the Utah Jazz to get treatment...

LaMarcus Aldridge was pulled from the game. He's heading to the locker room. Not sure what happened.

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LaMarcus Aldridge returns to the bench with both knees wrapped. He's done for tonight.

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LaMarcus Aldridge is OK. Says he went in early to get his knees iced, knowing he wouldn't return to game.

Joe Freeman of The Oregonian reports on Twitter Thursday that Aldridge might sit until opening night...

I'd be surprised if LaMarcus Aldridge plays again during the exhibition season. He's obviously ready for opening night.

Aldridge missed a portion of training camp earlier this month with a quad injury.

Aldridge, 28, appeared in 74 games last season, averaging 21.1 points and 9.1 rebounds. He ranked No. 9 in the NBA with 37.7 minutes played per game in 2012-13.

Portland has three preseason games remaining: Friday against the Clippers, Sunday at home against the Sacramento Kings, and next Thursday on the road against the Golden State Warriors.

Portland opens its regular season against the Phoenix Suns on Oct. 30.

-- Ben Golliver | benjamin.golliver@gmail.com | Twitter