Related Clues:

• Call, as a basketball game
• Whistler's Mother, effective to an extent
• Pregame coin flipper
• Professional whistle blower
• TD caller
• Clinch breaker
• Court charge caller
• Sports umpire
• Court whistler
• One calling the shots, for short?
• Call a basketball game
• Zebra at a Lions game, say
• Zebra on a court
• Sports official, briefly
• Zebra seen on fields, for short