Patrick Willis Explains Decision to Retire from NFL
Former 49ers' star linebacker Patrick Willis talks offseason moves
Patrick Willis still thriving after early 49ers retirement
Patrick Willis still thriving after early 49ers retirement
49ers LB Patrick Willis retiring after injury-shortened season
Patrick Willis working full-time at tech startup in Silicon Valley
Report: Former Ole Miss great Patrick Willis to retire
Report: 49ers' Patrick Willis planning to retire
Linebacker Patrick Willis Retires - The Source
49ers' Patrick Willis retires 'happy' – The Mercury News
Linebacker Patrick Willis To Announce Retirement
49ers' Patrick Willis denied in bid for Pro Football Hall of Fame
49ers Patrick Willis retiring after injury-shortened season
49ers Linebacker Patrick Willis, 30, Retiring
The Life And Career Of Patrick Willis (Story)