Tom Brady is racking up teams like Super Bowl rings -- the retired NFL superstar has become part owner of yet another sports organization ... this time, it's the Birmingham City soccer club.
The G.O.A.T. announced the business move in a hype video on Thursday ... saying "he's officially coming on board" the English Football League Championship squad.
"And maybe you're asking what do you know about English football, Tom?," Brady said in the clip. "Well, let's just say I've got a lot to learn. But I do know a few things about winning, and I think they may translate pretty well.