The 49ers are coming off three consecutive losses and travel to New Jersey for a Week 5 game with the New York Giants.
After monitoring players all week, the team has filed its official injury report for Sunday night's game.
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Most notably, tight end Vernon Davis has been listed as out with a knee injury. Left tackle Joe Staley is questionable, also with a knee.
Wide receiver Quinton Patton is questionable as well with a concussion.
Injury updates: Davis (knee): Out.