3 selections to finish 1-2-3 in any order in a Tricast race. Goliath 247 bets on 8 selections. 28 doubles, 56 trebles, 70 fourfolds, 56 fivefolds, 28 sixfolds, 8 sevenfolds, 1 eightfold. Greyhound Placer Pick a greyhound to be placed in each of the first or last 6 BAGS races at your nominated meeting. Heinz. Greyhound betting Markets. There is a great number of bets you can place on any major Greyhound race, that due to the nature of the sport, bear many similarities to horse racing. These include: Straight/single/win: This is the simplest type of bet, were you pick a dog that you think will win the race. You obviously win, only if the selected.