Related Clues:

• Ball callers
• Superior politicians who enforce the rules?
• Refs
• Calls strikes
• Ballpark judges
• "Steee-rike!" callers
• Partnerships
• Rain delay callers
• Men pocketing baseballs
• Diamond dusters
• Quartet at a major league game
• Stay-at-home workers?
• Upper-class politicians admitting anger - they want fair play
• Military policeman's anger, when blocked by useless officials
• Workers' associations