Patrick Willis Retires: Latest Details, Comments and Reaction
Chris Borland stuns 49ers with retirement announcement
At last, BASHOF-bound ex-49er Patrick Willis can delight in his career
49ers among biggest hit by early retirements of Borland, Anthony
49ers' Chris Borland retiring at 24, wary of head trauma
Former Ole Miss star Patrick Willis expected to retire from 49ers
49ers star Borland, 24, retires over health concerns
Patrick Willis retiring after eight seasons with 49ers
49ers LB Patrick Willis retiring after injury-shortened season
Patrick Willis Explains Decision to Retire from NFL
49ers LB Patrick Willis retiring after injury-shortened season
Patrick Willis Explains Decision to Retire from NFL
49ers linebacker Borland to retire after one year