Relevant quotes below:

Apple and Pac-12

“For the Pac-12 to reach the $300 million per year mark to basically match the deal the Big 12 received from ESPN and Fox Sports, the most likely platform to pay that at this point would be Apple, as we reported last month.
To be clear, we aren’t saying that is happening, but Apple is the company that could potentially reach that number, and adding Pac-12 rights does fit what Apple seemingly is trying to do in sports. But it figures to be an all-Apple deal.
However, Apple goes on Apple Watch time, which is to say it doesn’t jump for anyone. They didn’t do it for the NFL in its failed negotiations for Sunday Ticket. They didn’t do it for MLS. So if the Pac-12 wants answers by April 15, maybe it gets them from Apple, but it is not a sure thing. It is one of the most powerful and richest companies, and its decision-makers know it.
The Pac-12 could turn back to ESPN/ABC, but the deal that was once on the table — the same $31 million per year per team that the Big 12 got — is no longer there. If the Pac-12 returns to ESPN, it will likely mean it is willing to take less money in exchange for exposure. At this point, a deal with ESPN is not close.”

“Amazon Prime Video is an option, but they don’t want tonnage. A Friday night game might make sense with the promotion from Thursday Night Football, but, as we’ve said many times, Amazon will only do it if it makes sense. Amazon isn’t going to go crazy for the Pac-12.

This brings it back to Apple. The company is trying to figure out what it is doing in sports on Apple TV+. They have the $2.5 billion all-in MLS deal for a decade. With MLB, they pay $55 million a year in a rights fee and a guarantee of $30 million worth of advertising. Though it is just a start, a college football deal sort of fits in.”

That said, Apple is persnickety and takes forever on deals. There is no proof that college sports being exclusively on a streamer would work.
And we don’t know for sure exactly where Apple stands in negotiations with the Pac-12. If not Apple, then who?
There always could be other wild cards, but they aren’t apparent right now. That’s why when University of Arizona president Robert Robbins says he has to see the numbers to compare with what the Big 12 could offer, that is the money quote from his interviews with CBS Sports and The Athletic.”