NFL football TV viewing time in the U.S. 2017
The USFL Tests Football Tech. The NFL Could Adopt It. - The New York Times
Football, NFL shift toward streaming, away from regular TV
Impact of Television NFL Football Operations
Colts Mailbag: NFL power rankings, Anthony Richardson update, Shaquille Leonard's impact on defense
Sam Shields: Super Bowl champion regrets playing in NFL; says his head is 'all mushed together' with concussions
Thursday Night Football - Wikipedia
Creating the NFL Schedule
Florida's involvement in the NFL, how popular is it in the state?
Impact of Television NFL Football Operations