Related Clues:
- Sports judge
- Book like a dict. or ency.
- Fight adjudicator, for short
- One who works while others play?
- Official in black
- One in the middle of a fight
- Official behind a catcher
- Diamond ref
- Lib. section
- Field zebra
- Man in blue, often
- N.B.A. official
- Official with a whistle
- Authority behind home
- Caller of 39-Across