du boeuf Cadre Tous les deux tennis appearance fees pirater Cirque distance
Opinion: If Novak Djokovic and PTPA really want to address inequality, appearance fees have to end - Eurosport
The Break: Should appearance fees be scrapped right now?
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Do Tennis Players Get Appearance Fees? - My Tennis HQ
The Highest-Paid Tennis Players 2019: Roger Federer Scores A Record $93 Million
Forbes on Twitter: "Novak Djokovic, No. 2 on the list, earned $44.6 million, 72% of it from endorsements and appearance fees https://t.co/I8jNau8C45" / Twitter
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