Related Clues:

• With 34-Down, kayo combination
• A quarter of four?
• Loneliest number
• Air Force follower
• Solitaire quorum
• With 51-Down, a common tennis score
• Ace, sometimes
• Something for the books
• The first cardinal?
• Urban area
• Liftoff preceder
• Word on a dollar
• 'Sex and the --'
• Hydrogen's number
• Area-code preceder