Agnieszka Radwanska

Earnings: $6.9 million

2011 ranking: N/A

2011 earning: $2.46 million 

At Wimbledon this year, Radwanska became the first Polish player to reach a Grand Slam final in the Open Era. Agnieszka is currently ranked No. 2 in the world and banked $4.9 million in prize money during the past 12-months. Her sister, Urszula, is a tennis pro as well, and is ranked No. 44 in the world. Agnieszka's major sponsors include: Lotto, Babolat and Lexus.