Related Clues:

• All-___
• Trade
• Major-leaguer
• On the side of
• What some players turn
• Virtuoso
• See 27-Down
• Skilled worker
• No mere dabbler
• With 83-Down, flea market's cousin
• What a tennis player may turn
• Money maker
• Quid-quo link
• Quid pro quo equivalent
• Substitute