Raiders quarterback Bruce Gradkowski was knocked out of Sunday's game against the San Diego Chargers in the first quarter with a shoulder injury.
Gradkowski was hit hard by San Diego's Shaun Phillips on a pass play in the final minute of the first quarter. The play originally was ruled a fumble, but the Raiders challenged, and it was changed to an incomplete pass.
Gradkowski went to the locker room and was replaced by former starter Jason Campbell. The Raiders say Gradkowski will not return to the game.
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