They are pretty much the only game in town . NIU choked, giving Toledo a window to maybe pick up that spot but they are going to lose to Western Michigan today. That leaves Navy, Temple, and Houston all hanging around the 20s. Houston should obviously get the nod over Navy. The winner of the Houston/Temple game should get the spot (assuming Temple wins tomorrow night).
The MAC West is kind of crazy. At least 3 teams will end up 6-2 as of today, and if CMU beats ECU then 4 teams would finish 6-2. I'm not even going to try and figure out how that gets settled but it's pretty crazy.