QBs under center, a tight end bonanza and coverage tricks among NFL trends we're watching
- NFL: 1897 events in the last 90 days
- Previous: earlier the same day · MLS boss urges Harry Kane to follow Messi and Beckham before NFL dream
What happened
The NFL is constantly evolving. Here are some of the most intriguing wrinkles through the first four weeks of the season.
Summary assembled by rule from the sources below