| Clue | Source | Date |
|---|---|---|
| 2015 NFL controversy involving air pressure | LA Times Daily | 12 Apr 2018 |
| 2015 NFL controversy involving air pressure | The Washington Post | 12 Apr 2018 |
| 2015 NFL controversy involving air pressure | ||
| Gridiron scandal of 2015, informally | New York Times | 03 Mar 2016 |
| Pressure moment in the NFL? |