Possible Clues:

• Being cooperative when opposition is off centre
• In a legal position to play the ball, in soccer
• Edison having broken leg
• ___ kick (football play)
• Old, imprisoned? One escapes, still able to achieve goal
• Dealing with team correctly positioned on pitch
• In contact with team working towards the same goal
• Working towards the same goal against team
• Picked for team in position on pitch that's okay
• Where to find name of book doesn't get flagged by linesman