| Answer | Crossword Clue |
|---|---|
| CTR | Snapper on a field: Abbr. |
| YDS | Units on a football field: Abbr. |
| YDS | Hash marks indicate them on a football field: Abbr. |
| REF | Official on the field (Abbr.) |
| REL | Field for a Th.D.: Abbr. |
| MRI | You'll be in a strong field when you take this test (abbr.) |
