Related Clues

• "This is ___ two can play!"
• "War's ___": Cowper
• "It's only ___!"
• "Only ___" (NPR program)
• "It's only ___"
• NPR's "Only ___"
• "It's just ___!" ("Winning isn't everything!")
• Best competitive effort, informally
• One's competitive best
• Athlete's best effort
• With 15-Across, George R.R. Martin novel about rival Powers?
• "It's only ___!" ("Winning isn't everything!")
• 'Only ___' (NPR show)
• One's best effort, in sports slang
• Peak performance, informally
• Best-effort performance
• Very best performance
• Top performance, informally
• Peak performance
• Best effort, in sports lingo