Possible Clues:

• It was on the 37-Down of Johnny Unitas and Lenny Wilkens
• Number (at the clubhouse?)
• One more to score
• This + 27 across = 24 across
• Close to a score?
• When you can drink, in most of Canada
• Score a short one
• Age of the Marquis de Lafayette when he became a major general
• That's one for the score
• ''Hey ---'' (Steely Dan hit)