Possible Clues:

• Excitement can be free after a trip?
• Quit strike force
• Thrill (informal)
• Punch or put the boot in
• What the four groups in this puzzle do
• Punt or field goal
• It's what one gets from dirty player in all the excitement
• Field-goal attempt, e.g
• Keep it clean for starters on the weekend, as striker is expecting it from defender!
• Fourth-down call