NFL: NaVorro Bowman announces his retirement
NFL Nostalgia: Ranking the Most Underrated Players in NFL History, News, Scores, Highlights, Stats, and Rumors
NaVorro Bowman Injury Update: 49ers LB Out for Season with Torn Achilles, News, Scores, Highlights, Stats, and Rumors
NFL Top 100 players: NaVorro Bowman - Sports Illustrated
Mind-blowing stats for the Top 100 Players of 2016: 70-61
2016 San Francisco 49ers season - Wikipedia
NaVorro Bowman's 49ers release was sad, inevitable, and justified