Patrick Willis is Headed to the 49ers Hall of Fame
Watch From Tackles to Tech: Patrick Willis' New Position - Bloomberg
49ers being physical secondary plan
Troy Polamalu and Patrick Willis head first-time Hall of Fame
Patrick Willis Retired in His Prime, But Where is He Now? - FanBuzz
Patrick Willis: 4 Plays That Prove 49er Deserves Defensive Player
Team Preview: San Francisco 49ers - NFL - ESPN
Ex-NFL player Patrick Willis: What leaving football for Silicon
Patrick Willis Explains Decision to Retire from NFL
Why early NFL player retirements actually make sense
Report: 49ers expect Patrick Willis to retire
Super Bowl XLVII: Patrick Willis & Michael Oher, Bound by Ties in