Jordan Farmar receives platelet-rich plasma shot for hamstring tear

On Monday, Jordan Farmar received a platelet-rich plasma injection into his torn left hamstring.

The Lakers point guard was injured Sunday in a loss to the Portland Trail Blazers. Farmar played just 56 seconds before limping to the locker room.

Farmar posted a picture of the procedure:

He also included this message: “LakerNation: I’m bummed about the news today, but already workin towards gettin back! PRP done this afternoon...healthy blood platelets put directly into the tear! I’ll be back ASAP and better than ever! Our guys got heart and will keep fightin! Thanks for the well wishes...positivity goes a long way!”

Farmar is expected to be out for a month.

The Lakers don’t play again until Friday night when they visit the Sacramento Kings.

Steve Blake, who is working through a hyperextended elbow, could be the team’s only available point guard.

The Lakers will take a look at Steve Nash in practice this week. He’s been sidelined since Nov. 10 with a nerve issue in his back. If the veteran can return to the lineup, the Lakers may be unlikely to pick up an additional point guard.

After waiving Elias Harris last week, the Lakers have a roster spot available. If necessary, the team can look to sign a player -- possibly to a non-guaranteed contract.

Players cannot sign 10-day contracts until Jan. 6. All other contracts become fully guaranteed as of Jan. 10.

Potentially available free agent point guards include Darius Morris, Chris Duhon, Leandro Barbosa, Rodrigue Beaubois, Daniel Gibson, Charles Jenkins, Sebastian Telfair, Jamaal Tinsley and Keyon Dooling.

Former Laker Shannon Brown is a free agent but isn’t a point guard. Andrew Goudelock, also more of a shooting guard, is under contract in Russia.

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Lakers’ Jordan Farmar out four weeks with a torn hamstring

Email Eric Pincus at eric.pincus@gmail.com and follow him on Twitter @EricPincus.