Patrick Willis' Shock Retirement Marks Official End of Jim Harbaugh-Era 49ers, News, Scores, Highlights, Stats, and Rumors
49ers had holes to fill because of free agency – The Mercury News
Analyzing What Patrick Willis' Hand Injury Could Mean for 49ers Camp, Preseason, News, Scores, Highlights, Stats, and Rumors
San Francisco 49ers to play Broncos in London in 2010 – The Mercury News
Season over for 49ers LB Patrick Willis
NFL playoffs: Tale-of-the-tape look at 49ers vs. Cowboys
49ers LB Patrick Willis retiring after injury-shortened season – New York Daily News
Darren Waller racking up the superlatives at first Giants training camp
NFL training camp: 49ers roster overview – The Mercury News
49ers LB Patrick Willis retiring after injury-shortened season – New York Daily News
49ers pick Sam Darnold as Brock Purdy's backup over Trey Lance
49ers re-sign NaVorro Bowman so he can retire with them
Patrick Willis Injury: MRI Coming But 49ers Optimistic
NFL injuries that derailed Super Bowl hopes
Patrick Willis closes door on return, discusses foot issues as reason for retirement - Niners Nation