Related Clues:

• Red or black, at a gaming table
• Risky thing to make, perhaps
• Back a horse
• First-and-second bet
• One may need settling
• Bit of bookie business
• All of them may be off
• Enter a pool, perhaps
• Place at risk
• Belmont Park action
• Calls and raises
• Jump into a pool?
• Racetrack transactions
• A favorite is a good one
• Push in some chips