Cleveland Cavaliers centre Chris Andersen has torn a ligament in his right knee, ruling him out for the rest of the NBA season.
The Cavs announced the injury in a statement on Friday night, saying Andersen required surgery.
Cleveland says Andersen was injured during practice earlier in the day, and an MRI revealed a torn anterior cruciate ligament.
The team will have a better idea of his recovery time following surgery.
The 38-year-old Andersen signed a one-year contract with Cleveland for the veteran's minimum in July.
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He was brought in to shore up a thin frontcourt after the Cavs lost back-up centre Timofey Mozgov to the Los Angeles Lakers in free agency.
