49ers Alumnus Patrick Willis to Be Inducted into Bay Area Sports Hall of Fame
Forty-Niners Linebacker Patrick Willis To Retire
49ers Patrick Willis Officially Announcing Retirement - CBS Sacramento
Patrick Willis San Francisco 49ers Nike Retired Alternate Game Jersey - Scarlet
Patrick Willis' retirement a jarring one for 49ers – Times Herald Online
49ers' Patrick Willis isn't in the Hall of Fame and is too busy to care - ESPN - NFL Nation- ESPN
NFL Star Patrick Willis Now Working in Silicon Valley
49ers Patrick Willis Retiring
Patrick Willis retiring after eight seasons with 49ers
NFL Free Agency: Patrick Willis, Justin Smith expected to retire; Colin Kaepernick on the trade block? - Field Gulls
Patrick Willis social media post appears to announce retirement - Niners Nation
Patrick Wilson Announces Retirement
Patrick Willis, American Football Wiki