Patrick Willis says his feet carried him away from the game
Patrick Willis has sprained toe, seeks second opinion
Highlight] In December 2008, Patrick Willis utterly obliterates Brad Smith and makes his body go limp, in one of the nastiest NFL hits I've ever seen : r/nfl
49ers' Patrick Willis retires after injury-shortened season – The Mercury
49ers' Patrick Willis retires after injury-shortened season
49ers linebacker Patrick Willis plays despite broken hand – The Mercury News
State Your Case: Patrick Willis' days were short but his impact was HOF worthy - Talk Of Fame
49ers' linebacker Patrick Willis will be game-time decision (w/video)
Patrick Willis Explains Decision to Retire from NFL
Lang, Sitton come through when it counts
NFL star Chris Borland quits over head injury concerns - CBS News
49ers Linebacker Quits After 1 Season, Citing Safety Concerns : The Two-Way : NPR
NFL notes: 49-ers' Willis done for season
49ers LB Patrick Willis retiring after injury-shortened season – New York Daily News