Originally Posted by DaKCMan AP
BS they don't. They affect the only final standings that matter - the BCS rankings.
We're talking about hypothetical systems that replace the current BCS. Let me be more explicit for you:
Collegiate out-of-conference games are the same as NFL pre-season games in the sense that neither are used for entry into the championship tournament (actual in the case of the NFL, hypothetical in the case of a conference champions only college playoff).