Report: 49ers lose Patrick Willis for remainder of season - The Globe and Mail
Linebacker Patrick Willis is ready to retire, even though he's only 30 – The Denver Post
Patrick Willis of San Francisco 49ers to have MRI on injured left foot - ESPN
From His First to Last, Patrick Willis Remembers His 49ers HOF Career
Patrick Willis to undergo season-ending toe surgery
Team Preview: San Francisco 49ers - NFL - ESPN
49ers' Patrick Willis placed on IR - The Boston Globe
NFL suspends 49ers DE Jordan Willis for the first six games of the 2021 season
20 September 2010: San Francisco 49ers linebacker Patrick Willis #52 during the NFL regular season game between the New Orleans Saints and the San Francisco 49ers at Candlestick Park in San Francisco
San Francisco 49ers: Linebacker Patrick Willis penalized once – The Mercury News
49ers' Patrick Willis lost for season (w/video)
Super Bowl: 49ers' Willis does it his way – Orange County Register
Patrick Willis sidelined with toe injury - NBC Sports
This Day in The Bay: Patrick Willis' First Career Interception