Possible Clues:

• Score also picked up for mark in rugby
• Number of players on the pitch at the start of a football match
• In front of couple, score a line on rugby pitch
• Score first of tries and win one mark in rugby
• All of the football players in a line on the pitch
• Location of thin line on rugby pitch
• One more than this clue number
• Line on a rugby pitch
• Two football teams
• That one is after the one with the key to busted cards