Oakland Raiders wide receiver Chaz Schilens might need to undergo arthroscopic knee surgery, according to coach Tom Cable.
Schilens has been dealing with a foot injury in the past that has required surgery.
Now, his knee is bothering him.
Schilens has been sidelined for the first half of the preseason. The Raiders are holding out hope that Schilens could return in time for the first game of the regular season if he has the surgery soon.
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