Related Clues:

• Good thing to have in competition
• Flank
• ''Postcards From The ___''
• Show partisanship
• Borderline
• Fries, say
• Rim … or trim
• Competing team
• It can be the difference between winning and losing
• Sphere's lack
• Place for a fringe
• Drop-off spot
• Head start, maybe
• Record half
• Athletes look for it