Related Clues:
- Ballpark officials, for short
- Strike-zone judges
- Experts in the field?
- MLB officials
- Decides what's fair, among other things
- Officiates at T-ball
- Ones making calls, informally
- MLB arbiters
- "Strike!" yellers
- Strike-zone arbiters, for short
- People working at home
- Baseball's 'men in blue'
- Baseball's "men in blue"
- Home squatters?
- Baseball arbiters, for short