Since we are only talking about the AFC, if the Bills, Bengals, and Chief win this weekend. The Bills (9-2) and Chief (9-3) will have the most conference wins (9 each). Bengals will (8-3) in conference. The Bills did beat the Chiefs head to head. So they are the number 1 seed. Bengals would be # 2 they beat the chief head to head, Chiefs would be #3. Simple, no need to play any additional games modify playoffs.