The problem is that would likely include significant content for CBSSN, which would be a tough pill to swallow. Another option is NBC, but they've never seemed interested in going all-in on CFB. But an NBC/NBCSN package could be lucrative, especially if the B12 is big enough to provide significant content (Thu/Fri & Sat) to a channel that just lost rights to the NHL.

The wildcard is a major streaming network, but that would be a huge gamble.