How are the playoff teams selected?

I set it to an 8-team playoff. in Year 2 1-7 are in the playoffs, but instead of the 8th ranked Baylor Bears (10-4), the 19th ranked Stanford Cardinal (8-5) are in the 8th playoff spot.
glitch? Or is it a selection system that I'm unfamiliar with?
glitch? Or is it a selection system that I'm unfamiliar with?