Related Clues:

• 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
• Works at home, maybe
• Plate cleaners, at times
• Ones working at home, maybe
• Judges based near bases
• Nine Cooperstown members
• Home plate figures, informally
• Match officials
• Politician's anger contained by American judges
• Sports adjudicators
• Court officials chaired on high
• Referees