Rob Gronkowski - Wikipedia
Rob Gronkowski May Be Retiring From The NFL – Hollywood Life
Tom Brady press conference, Atlanta Falcons Week 17
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Why did Tom Brady change his mind about retirement?
Tom Brady press conference, Atlanta Falcons Week 17
Tom Brady: Rob Gronkowski 'shocked' by former team-mate's retirement aged 45, saying he could still play until he is 50, NFL News
Tom Brady leaves Patriots for Buccaneers: Tampa reportedly strikes trade with New England for Rob Gronkowski
Everyone here loves Rob': Tom Brady addresses Rob Gronkowski's retirement
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Rob Gronkowski reveals why he was 'shocked' when Tom Brady announced his retirement