| Clue | Source | Date |
|---|---|---|
| Reason for a flag on the gridiron | Wall Street Journal | 20 May 2025 |
| Personal foul that happens after the whistle | Universal | 08 Sep 2024 |
| Tackle after the whistle | Universal | 14 Aug 2024 |
| It results in a 15-yard penalty | Wall Street Journal | 16 Dec 2023 |
| Grounds for a 15-yard penalty | New York Times | 14 Sep 2018 |
| Basis for a personal foul penalty in football | ||
| Grounds for a 15-yard penalty | ||
| Cheap shot on the football field | ||
| Grounds for a football penalty | ||
| Cause for a 15-yard penalty | ||
| Grounds for a 15-yard penalty |