Super Bowl XLIX - Wikipedia
September 11, 1989 Table Of Contents - Sports Illustrated Vault
Super Bowl XXXVIII - Wikipedia
National NFL television ratings down, but Seahawks showing a slight increase locally
NFL ratings: 10 reasons why television numbers are down - Sports Illustrated
NFL ratings: 10 reasons why television numbers are down - Sports Illustrated
NFL ratings: 10 reasons why television numbers are down - Sports Illustrated
The NFL's ratings are down. But national anthem protests aren't the whole story. - Vox
NFL's projected salary cap hike highlights CBA's biggest flaw: the cap itself - Pats Pulpit
Strauss: Why the NBA has a serious viewership problem it needs to fix - The Athletic