Two-ball betting is a type of head-to-head wager. Bettors place a bet on one golfer to shoot a lower score than the opponent they are paired up against over 18 holes rather than picking one golfer to defeat a field of up to 156 players over four rounds.
What is an Exacta Box Bet? You still need to select the first and second horse in the correct order, but by boxing your selections, the two horses can finish in any order. This also allows you to choose more than two runners.