NFL Rookie: Patrick Willis, MLB, 49ers - Sports Illustrated
Patrick Willis has found success at a Silicon Valley tech start-up - NBC Sports
San Francisco 49ers inside linebacker Patrick Willis (52) lines up during the first half of an NFL football game, Sunday, Sept. 7, 2014, in Arlington, Texas. (AP Photo/LM Otero Stock Photo - Alamy
49ers' Patrick Willis at peace with decision to retire
Patrick Willis, 49ers relish another run at the Super Bowl
Patrick Willis - Wikipedia
Patrick Willis' retirement a jarring one for 49ers – Times Herald Online
49ers roster, 90-in-90 breakdowns: Patrick Willis - Niners Nation
Patrick Willis San Francisco 49ers Nike 75th Anniversary Alternate Retired Player Game Jersey - Scarlet
San Francisco 49ers' LB Patrick Willis says he will play against Packers – The Mercury News