49ers lose Willis for the season
49ers lose rookie cornerback Ward for season to foot injury
Patrick Willis Injury: Sprained Ankle For 49ers LB Isn't Serious
San Francisco 49ers linebacker Chris Borland retiring after rookie season because of concussion concerns
49ers linebacker Patrick Willis to miss rest of season with toe injury
Patrick Willis retiring from 49ers after injury-shortened season, NFL
49ers to place Jordan Willis on IR, promote Kemoko Turay – KNBR
49ers LB Patrick Willis retiring after injury-shortened season – New York Daily News
49ers' Patrick Willis lost for season (w/video)
Patrick Willis retiring from 49ers after injury-shortened season, NFL
49ers' Patrick Willis playing with pins inserted in broken hand – East Bay Times