A Sign of the Future? Concussions Push NFL Players to Retire Early
Patrick Willis closes door on return, discusses foot issues as
Chiefs QB Patrick Mahomes is improving as quarterback and a leader
Patrick Willis Explains Decision to Retire from NFL
Mike Williams: NFL draft bust now an L.A. high school coach
49ers LB Patrick Willis retiring
Patrick Willis Explains Decision to Retire from NFL
49ers in flux as Patrick Willis, Justin Smith retire - Sports
Patrick Willis Explains Decision to Retire from NFL
MMQB: 49ers sitting pretty in NFC playoff race after beating
Linebacker Patrick Willis is ready to retire, even though he's
Patrick Willis Explains Decision to Retire from NFL
NFL off-season report card: Grading the San Francisco 49ers
Patrick Willis' Shock Retirement Marks Official End of Jim