It's inarguably the most important franchise on network TV - the rights to the NFL. But with several years still to go on their current agreements with the League, could entities like CBS and Fox lose their rights to future games to deep pocketed streaming services? 

The fiscal games may be a while away, but they're already gathering on the field for the inevitable kickoff. And whatever happens won't be cheap, with price tags over $3 billion a real possibility. 

Network execs may ‘hold off’ on early NFL renewals