Related Clues:
- Fight controllers
- Diamond heads?
- Zebras who throw flags?
- Ones making some safe decisions?
- Match enders
- Ones crying foul
- Officials on a diamond
- Ump cousins
- Gridiron arbiters, for short
- Sports officials, briefly
- Some Little League volunteers
- Reviewers of plays
- Out callers
- Ones on the field who aren't team players?
- Callers of strikes and balls