Maria Sharapova Rank 5 Total earnings: $10.5 millionOf Sharapova’s total earnings from last year, about $9.5 million came from endorsements and the rest was prize money. The Russian tennis player added a multiyear endorsement deal with UBS last year, to her existing portfolio, which already included Nike, Head, Porsche and Evian. Sharapova’s candy brand, Sugarpova is expected to touch sales of $20 million in the coming year and it is currently available in 22 countries. Image by Jimmie48 Photography / Shutterstock
Venus Williams Rank 6 Total earnings: $10.2 millionThe winner of seven grand slam singles titles, earned $6 million through endorsements and $4.2 million in prize money. This year, American medical company, Alcon has onboarded Williams to help launch a new lubricant to combat dry eye. With an awareness level of 81 percent, she charges about $100,000 for an appearance and is planning to play in the 2020 Olympics. Image by Jimmie48 Photography / Shutterstock
Simona HalepRank 8 Total earnings: $7.7 millionWith her deal with Adidas having expired by the end of 2017, the Romanian player reached the Australian Open final wearing a dress she designed. Immediately after the Australian Open, Nike signed a multiyear pact with her. Image by Jimmie48 Photography / Shutterstock
Danica PatrickRank 9 Total earnings: $7.5 millionPatrick is the only racer on the list and she moved away from full-time racing after the 2017 Nascar season. Last year, she launched her own clothing line ‘Warrior’ and authored a fitness book titled ‘Pretty Intense’. Image by Action Sports Photography / Shutterstock
Angelique KerberRank 10 Total earnings: $7 millionOnly through her endorsements, the German player earns $4 million. She has some of the bigwigs sponsoring her, including Porsche, Rolex, SAP and Yonex. Adidas, however, is the biggest endorsement deal for her. Image by Action Sports Photography / Shutterstock