Patrick Willis out for season
REPORTS: Patrick Willis To Retire - CBS Sacramento
49ers LB Patrick Willis retiring after injury-shortened season
Patrick Willis, American Football Wiki
49ers Patrick Willis retiring after injury-shortened season – The
Patrick Willis Ignored by Tennessee
Patrick Willis to be Honored Saturday with NFF Hall of Fame On
Patrick Willis still thriving after early 49ers retirement
49ers LB Patrick Willis' toe injury will require season-ending surgery