Possible Clues:

• One of two single-digit Yankee uniform numbers that aren't retired
• Small for nine, provided nine turns up
• Kevin Bacon degree count
• VIP with no parking arrives after five
• Knock for . . . - surprise or defeat
• Boxcar
• Number of Best Actress nominations for Deborah Kerr
• "The ___ Million Dollar Man"
• Pack count
• Like many a first-grader