There is still a formal notification process, as the two schools have to let the Pac-12 know their intentions to leave. USC and UCLA also have to formally apply to the Big Ten. According to a source, that process is underway.
The San Jose Mercury News first reported the news.
Pac-12 commissioner George Kliavkoff was not immediately available for comment.
DEVELOPING: More details will be added to this report as they become available.
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