Related Clues:

• Opening number?
• With 34-Down, kayo combination
• Type of pop
• Burger go-with
• A quarter of four?
• Loneliest number
• Air Force follower
• Soda flavor
• Solitaire quorum
• With 51-Down, a common tennis score
• Ace, sometimes
• Something for the books
• The first cardinal?
• Liftoff preceder
• Fountain offering