With mounting criticism of the quality of every-week Thursday football, scattered suggestions have emerged in recent weeks that the NFL could pull the plug on the experiment. Those suggestions are stronger than that; per a source with knowledge of the situation, the league will be considering the possibility of ending, or at least limiting, Thursday Night Football.
The current contract with CBS and NBC runs through 2017, which means that changes to the package could be made by 2018 — barring a renegotiation.