Related Clues:
- Foul-ball callers
- Quartet assigned to bases
- Frequent callers?
- World Series game sextet, for short
- Helps out at T-ball, perhaps
- Ones calling people out?
- Stereotypically blind officials, for short
- Ones stationed at home
- Ones at the plate
- Diamond crew, for short
- Baseball's decision-makers on the field
- They call balls and strikes
- World Series sextet, for short
- Baseball referees
- Decides what's fair