Related Clues:

• Picks
• Pot contents
• Bookie's bookings
• Track records?
• They may all be off
• Puts down
• See 64-Across
• Derby doings
• Vegas action
• Odd and even, at times
• 'All ___ are off'
• Amount of rain
• Track records
• 'All ___ are off!'
• Is a gamester