Tom Brady 'happy' with decision to retire from NFL, but 'never say never' - ESPN
Tom Brady officially announces retirement after 22 years in the NFL
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The Football-Sized Clues That Tom Brady Was Never Really Retired - WSJ
Tom Brady: Seven-time Super Bowl-winning quarterback says he could play until the age of 50, NFL News
Hey, Tom Brady!! Please RetirePlease!
Live updates: Tom Brady retirement from the NFL
Would Tom Brady play until he's 50? Bucs QB responds to GM's idea
NFL: Tom Brady announces retirement after record-setting career
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