The G.O.A.T. might not be officially done just yet ... Tom Brady said Monday he could possibly come back to the NFL despite retiring last week.
The future Hall of Famer made the somewhat shocking revelation on his "Let's Go!" podcast ... hinting that the door on his football career ain't exactly slammed shut just yet.
"You know, I'm just going to take things as they come," Brady told Jim Gray on the show. "I think that's the best way to put it and I don't think anything -- you know, you never say never.