Ex-49ers LB Patrick Willis: I'm not returning to NFL
Patrick Willis' retirement shines light on Chris Borland again
Ex-49ers LB Willis issues vehement denial of comeback report
Patrick Willis Restructures Contract to Clear Cap Space for Rookie
49ers LB Patrick Willis retiring after injury-shortened season
49ers LB Patrick Willis retiring after injury-shortened season
49ers LB Patrick Willis retiring after injury-shortened season
Ex-49ers LB Patrick Willis: I'm not returning to NFL
Patrick Willis Explains Decision to Retire from NFL
Patrick Willis considering comeback with San Francisco 49ers
Patrick Willis' Shock Retirement Marks Official End of Jim Harbaugh
The Best Hall of Fame Argument for Every NFL Team
Patrick Willis Explains Decision to Retire from NFL
49ers LB Patrick Willis retiring after injury-shortened season