Come on, guys, the answer to this is obvious. North Dakota State and South Dakota State.

For real, though, here's the real takeaway from this article:

In addition he said he wouldn’t be surprised to see Temple University, which is on a two-year, football-only deal to leave for another conference at the end of its agreement.
The only other conference that it could be moving to in football that would make any sense would be the Big East.