Chris Borland - Wikipedia
Patrick Willis Retired in His Prime, But Where is He Now? - FanBuzz
The Forgotten First: Kenny Washington, Woody Strode, Marion Motley, Bill Willis, and the Breaking of the NFL Color Barrier: Johnson, Keyshawn, Glauber, Bob: 9781538705483: : Books
Patrick Willis retirement came at right time for post-career pursuits
Patrick's Legacy - Niners Nation
Patrick Willis, American Football Wiki
49ers' Patrick Willis isn't in the Hall of Fame and is too busy to care - ESPN - San Francisco 49ers Blog- ESPN
Why would an NFL star retire when he can still play? Patrick Willis explains why he walked away in his prime
Patrick's Legacy - Niners Nation
NFL star Patrick Willis is thriving in retirement as a Silicon Valley tech worker
Patrick Willis - San Francisco 49ers Linebacker - ESPN
Why would an NFL star retire when he can still play? Patrick Willis explains why he walked away in his prime
NFL Rookie: Patrick Willis, MLB, 49ers - Sports Illustrated
The Life And Career Of Patrick Willis (Story)