Related Clues:

• Procter's partner
• Make a wager
• Toss in a chip
• Use a parimutuel machine
• Track placement
• Try for a trifecta
• Trifecta, for one
• Stack of chips, perhaps
• 'You ___!' ('O.K.!')
• Vegas verb
• A few bucks at Pimlico
• "Wanna ___?"
• It might be a raise
• Odds
• Try to beat the house