Watch From Tackles to Tech: Patrick Willis' New Position - Bloomberg
San Francisco 49ers linebacker Patrick Willis will retire
Patrick Willis of San Francisco 49ers retires - ESPN
From His First to Last, Patrick Willis Remembers His 49ers HOF Career
Penn State great NaVorro Bowman has retired, the San Francisco
San Francisco 49ers All-Pro LB Patrick Willis expected to retire
Patrick Willis Retired in His Prime, But Where is He Now? - FanBuzz
Patrick Willis working full-time at tech startup in Silicon Valley
Can Steelers ILB Lawrence Timmons out-value Patrick Willis as a
Did 49ers legend Patrick Willis just hint at an NFL comeback
Will former 49ers linebacker Patrick Willis ever be inducted in
49ers' Patrick Willis at peace with decision to retire
Patrick Willis retiring from 49ers after injury-shortened season