Related Clues:
- B-ball arbitrator
- Baseball ref
- One who may OK a KO
- Whistle blower, in basketball
- Caller of strikes and balls, for short
- Wrestling official
- NFL whistle blower
- TKO official
- The only person with the authority to call a strike, for short
- One who might get yelled at by the manager
- Fair-or-foul decider
- Violet Palmer was the first female one in the NBA
- Whistle blower, in brief
- Game official, for short
- Wrestling official (Abbr.)