Related Clues:
- Maker of many calls
- Short official?
- Ring authority
- Whistle blower, for short
- Ring figure
- Ump's counterpart
- Court arbiter
- Officiate, briefly
- NBA hiree
- Ring or rink figure, briefly
- Grid coin tosser
- One whistling at athletes
- Person in a zebra-striped shirt, informally
- Fight stopper, at times
- Ump parallel