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Bills head coach Sean McDermott said Friday that Davis is still in the NFL's concussion protocol, Katherine Fitzgerald of The Buffalo News reports.
Davis was forced out of Buffalo's wild-card win over the Broncos in the second half, and though he's since managed to practice in a limited capacity during one walkthrough and one full session, his status remains uncertain for Sunday's divisional-round game against Baltimore. The rookie fourth-round pick will need to gain full medical clearance, including from an independent neurologist, in order to be allowed to suit up versus the Ravens. Friday's official practice report likely will label Davis questionable to play Sunday.