OK - all kinds of speculation out there but I saw a couple of articles that make more sense than others. If you add up this new massive TV deal, The Big Ten Network, Bowl game and the CF Playoffs, each B1G team will receive "appoximately" $102 to 104 million per team starting in 2023.
And it sounds like they're pushing for ND (obviously) and might expand into the Phoenix, Seattle, Portland, and San Francisco markets. They'll be more of a somewhat national conference whereas the ACC and SEC will be regional - if the ACC is still around