Patrick Willis still thriving after early 49ers retirement
Ex-49ers LB Patrick Willis reflects on decision to retire: 'It was the right time' : r/nfl
San Francisco 49ers: Justin Smith Versus Patrick Willis in the Hall of Fame, News, Scores, Highlights, Stats, and Rumors
Patrick Willis is 'no-brainer' Hall of Famer, DeMeco Ryans believes – NBC Sports Bay Area & California
49ers' Willis retires after injury-shortened season
49ers LB Patrick Willis retiring after injury-shortened season – New York Daily News
Legend Patrick Willis Responds to 49ers Performance vs. Rams
49ers' Willis hangs up the cleats
Luke Kuechly Joins N.F.L.'s Under-30 Retirees Club - The New York Times