Related Clues:

• Officiated on the court
• Helped out at a T-ball game, perhaps
• Called a strike?
• Officiated in field hockey
• Called a game
• Inspected diamonds?
• Did some diamond appraisal?
• Made lots of calls, in a way
• Supervised the game for two of 21?
• Worked on a field
• Called a strike, say
• Made calls at home
• Made calls, in baseball
• Called out, perhaps
• Worked at home