Rob Gronkowski Doesn't Miss Football - The New York Times
Rob Gronkowski retires (again) from NFL, revisited: Why former
4-time champion, All-Pro tight end Rob Gronkowski announces
Rob Gronkowski announces retirement, can Tom Brady convince Gronk
Patriots tight end Rob Gronkowski announces retirement
Rob Gronkowski Retiring From Tampa Bay Bucs, NFL For 2nd Time
NFL legend Rob Gronkowski, 33, retires for second time - BBC Sport
Rob Gronkowski Retires from NFL After 11-Year Career with Patriots
Rob Gronkowski Announces NFL Retirement for Second Time (UPDATE
Patriots TE Rob Gronkowski announces retirement