49ers linebacker Willis out for season, Football
San Francisco 49ers: Patrick Willis credits Bruceton, Tennessee for NFL success
Patrick Willis out for season
NFL notes: 49-ers' Willis done for season
Patrick Willis injury: What does a slightly fractured hand mean for the 49ers? - Niners Nation
49ers LB Patrick Willis retiring after injury-shortened season – New York Daily News
Patrick Willis retiring after eight seasons with 49ers
Patrick Willis injury update: 49ers linebacker could miss Rams game with groin injury - Niners Nation
49ers Alumnus Patrick Willis to Be Inducted into Bay Area Sports Hall of Fame
49ers Patrick Willis retiring after injury-shortened season – The Denver Post
49ers boast one of best linebacking corps around - The San Diego Union-Tribune
All-Pro Linebacker Patrick Willis Joins Rawlings Football's Advisors
Patrick Willis: A look back at 2013, a look ahead to 2014 - Niners Nation
49ers' Patrick Willis out for preseason with broken hand - Sports Illustrated