Related Clues:

• Fight in a ring
• Like good guards
• All-points bulletin, e.g.
• Land some lefts
• Eagle-eyed
• Moving need
• Standing at the ready
• Sign word that may be followed by an exclamation point
• Place for letters
• Emulate 2-Down
• Shout "heads up!"
• Paying heed
• "Heads up!" e.g.
• All eyes and ears
• Emulate Muhammad Ali