49ers' Patrick Willis retires after injury-shortened season – The Mercury
Ex-49ers star Patrick Willis reflects on making team's hall of fame
Patrick Willis exits with hamstring injury – The Mercury News
Patrick Willis on getting urge to play: 'Nope, I'm cool'
San Francisco 49ers: Linebacker NaVorro Bowman makes a sudden impact – The Mercury News
Patrick Willis' 49ers ready for Ray Lewis' Ravens – The Mercury News
San Francisco 49ers land nine in Pro Bowl – The Mercury News
49ers' Patrick Willis, Takeo Spikes grappling with hand injuries – The Mercury News
Jim Trotter Calls Patrick Willis 'One of the Most Impactful Linebackers in the Game'