Related Clues:
- Four at Camden Yards
- Plate sweepers
- Diamond spots
- Play reviewers
- Some of them work at home
- Four of diamonds
- Graduate points to HQs
- Army headquarters
- World Series field sextet
- Ones watching their plates?
- World Series game sextet
- Baseball judges, for short
- Callers of balls
- Diamond squares
- Diamond officials, for short