By Andrew Holleran Tom Brady officially announced his retirement from the National Football League earlier this year. But will the seven-time Super Bowl-winning quarterback actually stay retired? Not everyone is buying it. Many are starting to believe that Brady will eventually un-retire. But will he return to the Tampa Bay Buccaneers or play for someone else? One ex-Patriots quarterback believes Brady wants to play for the 49ers. “I just think that (joining the 49ers) is what Brady’s focused on,” Scott Zolak said during Tuesday’s “Zolak & Bertrand” episode on 98.5 The Sports Hub. “He’s been f…