From Thursday Night Roots, N.F.L. Revenue Grows 

Whatever its problems, the N.F.L. possesses a wizardly skill at conjuring up new money. Yahoo paid the league around $20 million for the global streaming rights to last October’s Buffalo-Jacksonville game from London. Millions more are likely to flow from a possible deal to stream all three London games next season. Eventually, streaming rights will become a very big profit center.

Source: From Thursday Night Roots, N.F.L. Revenue Grows – The New York Times