Related Clues:

• Face-mask wearers
• Cover all the ___
• On which things stand
• Military establishments
• Ball callers
• Stops on the way home?
• Superior politicians who enforce the rules?
• Refs
• Calls strikes
• Ballpark judges
• "Steee-rike!" callers
• Military posts
• Rain delay callers
• Rounded items?
• Men pocketing baseballs