Patriots LB Rob Ninkovich Announces His Retirement
New England Patriots' Rob Ninkovich retires - Sports Illustrated
Patriots' Ninkovich had work ethic forged by iron
Patriots' Rob Ninkovich retires after 11 seasons in NFL
Rob Ninkovich emotional, thankful during retirement speech – Boston Herald
Rob Ninkovich turned from scrap heap signing to Patriots legend - Pats Pulpit
Patriots great annoyed with Bill Belichick's 'little shot' at Rob Gronkowski
New England Patriots: Rob Ninkovich not ruling out return to football
11 things we learned from Rob Ninkovich's retirement news conference - The Boston Globe
Rob Ninkovich: How an ironworker's son became the Patriots' ironman
Rob Ninkovich emotional, thankful during retirement speech – Boston Herald