Colin Kaepernick will spend most of the next 11 weeks sharpening his quarterback skills -- on the field and, perhaps most important, in the film room.
SANTA CLARA –- It was going to be a short night of work for 49ers wide receiver Michael Crabtree, who did not practice much during the week due to a knee injury.
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SANTA CLARA –- The 49ers are expected to be without five players due to injuries when they take a bus to Oakland on Sunday to face the Raiders.
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