NJ.com has a very long article about how Rutgers joined.  The process was going on in secret for years, starting all the way back in 1990.  It's worth a read if you're a realignment nerd like me.

https://www.nj.com/rutgersfootball/2022/11/how-rutgers-crashed-the-big-t...

NJ.com is paywalled, but is available through the Columbus library.    I think this link:

https://infoweb-newsbank-com.webproxy3.columbuslibrary.org/apps/news/doc...

will work if you have a card.