After Rob Gronkowski completes a surprise retirement u-turn, who else has followed suit?
Rob Gronkowski retires, won't join Tom Brady for 3rd season
Rob Gronkowski reveals why he was 'shocked' when Tom Brady announced his retirement
Tom Brady press conference, Atlanta Falcons Week 17
Tom Brady, Patriots denied a sixth Super Bowl title by bold Eagles - The Boston Globe
Rob Gronkowski Pens Tom Brady a Sweet Instagram Tribute after Retirement
See Tom Brady's Funny Response to Rob Gronkowski's Retirement
Rob Gronkowski 'shocked' by Tom Brady's decision to retire
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Tom Brady retirement: Rob Gronkowski thinks Brady could return to NFL - Sports Illustrated
Rob Gronkowski 'would answer' if Tom Brady called, but intends to stay retired: 'I won't go back to football'