Will County and the City of Joliet have teamed up with the Slammers to offer plenty of ways to score by reducing water use. Free giveaways for all and chances to win some valuable prizes throughout the game. Admission cost reduced to $8 with the code WATER. When you enter the Joliet Route 66 Stadium at DuPage Medical Group Field for the game, you’ll receive a pledge card to turn in to be entered in 8 raffles!