Patrick Willis Retired in His Prime, But Where is He Now? - FanBuzz
49ers' Patrick Willis retires after injury-shortened season
Patrick Willis Explains Decision to Retire from NFL
49ers linebacker Patrick Willis plays despite broken hand – The
49ers LB Patrick Willis retiring after injury-shortened season
49ers' Chris Borland retiring at 24, wary of head trauma
49ers LB Patrick Willis retiring after injury-shortened season
Patrick Willis Explains Decision to Retire from NFL
Patrick Willis Injury: Sprained Ankle For 49ers LB Isn't Serious