Could Brock Purdy fuel 49ers' QB controversy? Joe Montana has thoughts
The Tom Brady, Joe Montana debate: Does win mean Brady's best?
Joe Montana calls Dan Marino the best QB in NFL history - NBC Sports
Tom Brady won't say he's better than Joe Montana - NBC Sports
Joe Montana talks about Tom Brady, Deshaun Watson and the current status of the NFL
Joe Montana ends debate on greatest QB of all-time naming Dan Marino and new commercial has Marino un-retiring