Former Pac-12 teams will still be tied into Pac-12 affiliated bowls for the 2024 and 2025 seasons per Brett McMurphy.
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I realize that organizers would probably shy away from something like this, but two current Big-12 teams could face off in the Alamo bowl. Or, former Pac-12 teams could face off in the Pop-Tarts bowl or the Holiday bowl. Kind of an interesting wrinkle in realignment.