San Francisco 49ers: Who Will Replace Patrick Willis and Chris
49ers' Patrick Willis lost for season (w/video)
49ers' Patrick Willis at peace with decision to retire
49ers LB Patrick Willis retiring
Patriots Tom Brady's longevity? Ex-49ers star mystified
49ers' Willis Calls Two Men Dad, and They Are Strikingly Different
Patrick Willis still holds foster parents dear
A Fan's Perspective on What Patrick Willis Means to the San
49ers' Patrick Willis isn't in the Hall of Fame and is too busy to
49ers' Patrick Willis embraces new role as a blitzing linebacker