Related Clues:

• Perfect rating
• See 18-Down
• Big ___
• Football team quorum
• King beater, in pinochle
• Till bill
• See 49-Down
• TV news time
• Part of a royal flush
• 'Taps' time
• Start of a count
• Large shoe size
• Royal flush necessity
• See 53-Across
• This puzzle's theme