49ers LB Patrick Willis retiring after injury-shortened season – New York Daily News
Patrick Willis injury: What does a slightly fractured hand mean for the 49ers? - Niners Nation
Patrick Willis Explains Decision to Retire from NFL
49ers LB Patrick Willis retiring after injury-shortened season – New York Daily News
49ers LB Patrick Willis retiring after injury-shortened season – New York Daily News
NFL notes: 49-ers' Willis done for season
Patrick Willis - Wikipedia
Injuries mount in Bears come from behind win
Report: 49ers lose Patrick Willis for remainder of season - The Globe and Mail
49ers linebacker Patrick Willis plays despite broken hand – The Mercury News
Patrick Willis retiring from 49ers after injury-shortened season, NFL
49ers LB Patrick Willis retiring after injury-shortened season – New York Daily News