The new TV deal is valued at $7-8B over 7 years. Let’s just assume it’s $8B. That works out to be $1.14B per year. Divided by 16 that is $71.4M per school per year.
Now the TV deal has an expansion escalation clause that can bring that deal up to $10B. If you take that $2B difference and divide it by 7 years you get $286M per year. Divide that by $71.4M and it is enough to feed four mouths before diluting everyone else. In essence, the B1G has a pro rata clause that lets it add up to four schools before everyone starts losing money.
So taking four PAC schools is very much worth it. Don’t forget adding those schools creates more inventory that can’t be filled by CBS, NBC, or Fox - the 10:30PM slots. Guess who could bid for those? ESPN. Basically the B1G can make more money off expansion.