Chris Hogan looks back fondly on his time with Patriots - ESPN - New England Patriots Blog- ESPN
New England Patriots sign defensive end Rob Ninkovich to 1-year extension - ESPN
Patriots' Rob Ninkovich Announces Retirement - LAFB Network
Rob Ninkovich suspended 4 games for using banned substance - The Boston Globe
Transcript: Bill Belichick Press Conference 10/6
Former New England Patriot Rob Ninkovich reveals he retired to avoid 'another 850 shots to the head'
It 'wouldn't surprise' Rob Ninkovich if Tom Brady retired after season
Patriots defensive end Rob Ninkovich has retired : r/nfl
2017 New England Patriots season - Wikipedia