This week in NFL: Unsolved Mysteries: Who exactly "that motherfer" to whom Tom Brady referred in a now-viral clip?The 45-year-old quarterback, entering his third season with the Buccaneers, has cro sed another name off that list: former Dolphins quarterback Ryan Fitzpatrick, as per his "Let's Go!" podcast.Tom Brady just said Ryan Fitzpatrick is NOT the m. f***** he was talking about Raisel Iglesias Jersey . So, theres that. Andrew Siciliano (@AndrewSiciliano) To recap, Brady appeared in a 2021 episode of HBO's "The Shop," in which he talked about his free agency the previous year following a stellar career with the Patriots. Several teams were naturally interested in his services, but one apparently decided to stick with the quarterback they had on the roster. That led to this clip:MORE: Tom Brady on his free agency last offseason: One of the teams, they werent interested at the very end. I was thinking, Youre sticking with that mother*****? Ari Meirov (@MySportsUpdate) The NFL at large has been trying to discern the identity of that quarterback since. With the recent news that Dolphins owner in an attempt to bring Brady to Miami (even before his free agency), But Brady's dismi sal of Fitzpatrick from the "motherfer" sweepstakes has reopened the case again. So, who could it be?Jimmy Garoppolo has been among the top of such discu sions since the clip became viral, considering Brady is a California native and grew up rooting for the 49ers. But a new candidate has since taken over the top spot: Derek Carr of the Raiders.MORE: That's following news that broke before the start of the season in which UFC president Dana White claimed to have brokered a deal with Brady and tight end Rob Gronkowski to send the pair to Las Vegas. White claimed that former coach , resulting in the pair heading instead to Tampa Bay.Brady, for what it's worth, has not mentioned Carr in such discu sions. So it could be him. Or it could not be.Either way, this particular debate stands to have staying power in NFL: Unsolved Mysteries. For now, at least. Max Fried Jersey