Related Clues:

• Officials who cry 'Yer out!'
• They're usually assigned to bases
• Military operations centers
• Diamond group
• Tennis judges
• You might be safe with them
• Home workers
• Ref relatives
• There are six in every MLB playoff game
• Ones near bases
• Pitch evaluators
• Tag determiners
• Figures at plates
• Air Force installations
• Stereotypically 'blind' officials