Possible Clues:

• Informally alert or competent, like good soccer player
• Informally alert like soccer player
• Intelligent, like a balancing seal?
• Alert and focused as soccer player should be
• Alert umpire may look for suspicious scratches here
• Alert to new trends concerning dance
• Properly alert
• Alert and practical - during soccer match?
• Ready to take initiative, dealing with particular dance
• Keenly alert, preparing to give a pass?