Related Clues:

• Paid to play
• 40-Across, e.g.
• Major leaguer, e.g.
• 'On the double!'
• E.R. order
• Step on the plate
• Immediately, to a surgeon
• Olympic competitor
• P.D.Q. in the I.C.U.
• Cowboy or Indian, e.g.
• Make a point, perhaps
• ER order
• ER command
• With 51-Across, for the nonce
• Sports-page stat