A breakdown of how to bet on today's Kentucky Derby:
Win Horse must win
Place Horse must finish in top two
Show Horse must finish in top three
Exacta Pick first two horses in order
Trifecta Pick first three horses in order
Superfecta Pick first four horses in order
Box When you box a bet, you collect if your selected horses finish in any order
Key Combines one horse to win with other horses
Wheel Combines one horse with all the other horses in the race
Partial wheel Combines one horse with other possible combinations of horses
Daily double Pick winners of two consecutive races
Pick 3 Pick winners of three consecutive races
Across the board Equal bets to win, place and show on a single horse
