Rob 'Gronk' Gronkowski announces retirement from Buccaneers, NFL
Gronk reaffirms he's 'done with football,' even if Tom Brady beckons
Tom Brady Reacts to Teammate Rob Gronkowski Retiring: 'You Deserve It'
Ex-Wildcat Rob Gronkowski announces retirement from NFL
Rob Gronkowski announces his NFL retirement, but his agent not
Betting/fantasy impact: Rob Gronkowski retires - Sports Illustrated
Rob Gronkowski announces retirement from NFL – Boston Herald
Rob Gronkowski announces his NFL retirement
Patriots Tight End Rob Gronkowski Announces Retirement
4-time champion, All-Pro tight end Rob Gronkowski announces
Rob Gronkowski retires from the NFL again - The Boston Globe
Sunday Night Football on NBC - Rob Gronkowski has announced his