Related Clues:

• Coin flipper on a field
• Penalty flag thrower
• Wrestling figure
• One who whistles while he works
• Call, as a basketball game
• Whistler's Mother, effective to an extent
• Judge turned irritable, losing one pound
• A ceremony run without bishop or judge
• Pregame coin flipper
• Professional whistle blower
• TD caller
• Ruling party?
• Clinch breaker
• Court charge caller
• Sports umpire