https://www.latimes.com/sports/usc/story/2023-08-02/commentary-usc-oregon-big-ten
"The Trojans were adamant with the Big Ten that they did not want to be followed to this exciting opportunity by their Pac-12 brethren. They singled out a specific school they found to be most distasteful.
If the Big Ten thought it had to add
Stanford or
Cal or
Washington, USC could probably live with it. But not
Oregon. No, no, no. Anybody but the Ducks. That preference, shared by UCLA, was certainly understood, and the L.A. schools hoped it would be honored, a source with knowledge not authorized to speak publicly told The Times."