I've seen this game played on other forums it's a very cool concept. Let me give you an example. I will start off by saying the name of a player who IMO is overrated.
Then another poster will reply by saying an underrated players name who plays in the exact same position as the player I named. For example:
Miike: Didier Drogba (overrated)
Roberto: Lucarelli (underrated)
Ok that was the example here it goes (any questions will be kindly answered) :
Milan Baros over