Tom Brady superfans who shelled out thousands for the ex-NFL star’s autograph during a weekend event are outraged after they say they were left with illegible scribbles on their valuables.

I asked a player on every NFL team for an autograph. Kansas City Chiefs quarterback Patrick Mahomes, Los Angeles Chargers running back Austin Ekeler, Justin Tucker, Tom Brady, and a bunch more.

Tom Brady has been accused of breaching an unwritten rule by modifying his autograph to incorporate his anticipated induction into the NFL Hall of Fame. The 47-year-old, who hung up his cleats ...