Related Clues:

• Certain official
• One who may cry foul
• Decide (to)
• ___ out (withdraw)
• One whistling at athletes?
• Sport authority
• Show a preference
• Gridiron decider
• NFL mike wearer
• Say no, with 'out'
• Elect (to)
• It may begin with ''Do not''
• Back (out)
• Run the place
• Check ''yes,'' e.g.