Related Clues:

• Of argument, say, in favour of
• In short, not an amateur
• Interchange
• In brief, he's no amateur
• In brief, not an amateur
• Exchange, barter
• One doesn't play just for the love of it, in short
• Favouring the professional
• No loss if he gets fits
• One is all for being paid
• How beastly to get one's feet wrong!
• Not four sound, for pay
• Golf __
• Play-for-pay athlete
• No longer an amateur