Brett Favre believes that Aaron Rodgers has plenty of football left in the tank.

Rodgers, like Favre, has one Super Bowl win, but it's been six years since Green Bay's championship victory.

"Obviously, Aaron has carried the team for a long time; that's not going to change," Favre said. "That in itself is not enough -- at least it hasn't been, and it's been pretty good. As good as he is, I would've thought they would've won more than one by now. But I don't know if he can do anything else other than what he's done up to this point. It always seems like one piece of the puzzle is missing.

"You don't know what that is until you get it, like a Reggie White. You go, 'Oh, that's what we needed.' It remains to be seen what that is, whether it's a draft pick, a free agent, letting someone go, a coaching change -- I don't know."

On Tom Brady's 40th birthday last week, Rodgers said not only does he want to play until he's 40, but he wants to play for the Packers.

"Why stop at 40?" said Favre, who retired at age 41 but left Green Bay just two months before he turned 39 in a trade with the New York Jets. He then finished his career with the Minnesota Vikings.