After Damar Hamlin's collapse, the NFL gave players time - Los Angeles Times
The Game Before the Game: How high school football teams help Fox prepare for the Super Bowl broadcast – New York Daily News
History of the National Football League in Los Angeles, American Football Wiki
NHL TV Blackouts & Why They Happen?
NFL blackout rules: By shelving blackouts, NFL appeases Uncle Sam
5 NFL Teams Most Likely To Be Blacked Out In 2013 - TheStreet
End the Blackouts The Hardball Times
First Super Bowl was blacked out in LA. Then Nixon got mad. - The Washington Post
NFL continues suspension of TV blackout policy for 2016 - Sports Illustrated