| Clue | Source | Date |
|---|---|---|
| Banned V-shaped football maneuver | Wall Street Journal | 04 Jan 2023 |
| Triangular military formation | USA Today | 20 May 2019 |
| Banned football formation | USA Today | 28 Apr 2019 |
| Banned football formation | ||
| Triangular military formation | ||
| Riot squad formation, perhaps | USA Today | 31 May 2017 |
| Riot squad formation, perhaps | ||
| Dangerous football formation | ||
| Banned football formation | ||
| Dangerous old football maneuver | ||
| Dangerous old football maneuver | ||
| Old football offense |