Related Clues:
- Some of them work at home
- World Series field sextet
- Ones watching their plates?
- World Series game sextet
- Baseball judges, for short
- Callers of balls
- Diamond officials, for short
- Infield quartet
- They decide what's fair
- They might tell you to take a walk
- Ones working at home?
- Diamond officials, informally
- Some tennis judges
- Foul-ball callers
- Quartet assigned to bases