49ers LB Patrick Willis retiring
Patrick Willis: News, Stats, Bio & More - NBC Sports
Report: 49ers expect Patrick Willis to retire
49ers: 3 options San Francisco has to replace Joe Staley if he retires
Patrick Willis Explains Decision to Retire from NFL
49ers News: Still not over Patrick Willis getting snubbed again - Niners Nation
Patrick Willis still thriving after early 49ers retirement
Report: 49ers' Patrick Willis planning to retire
Badgers football: Former UW great Chris Borland retiring from NFL after only one season, citing head injury worries
Ignorance is bliss for Patrick Willis when it comes to Matt Millen
49ers' Patrick Willis retires 'happy' – The Mercury News
49ers sign Philip Wheeler, release Trindon Holliday - NBC Sports
Report: Former Ole Miss great Patrick Willis to retire
Patrick Willis Will Officially Retire Tuesday, 49ers Announce, News, Scores, Highlights, Stats, and Rumors