Vernon Davis concussion: Gains clearance for non-contact activity, fantasy value still low

San Francisco 49ers tight end Vernon Davis (concussion) received clearance from an independent neurologist to resume non-contact drills on Thursday. Davis took a vicious hit from safety Kam Chancellor in the 49ers 42-13 loss to the Seattle Seahawks on Sunday night. The hit forced Davis out for the rest of the game and put his status for Week 17 against the Arizona Cardinals in jeopardy. The 49ers need to beat the Arizona Cardinals on Sunday to ensure their NFC West title and keep their hopes of ...