drug test

Medina Spirit tested positive for a type of banned steroid known as betamethasone after winning the legendary race on May 1. The same steroid was found in a second test.

An independent tribunal has ruled that Sharapova is ineligible after testing positive for meldonium. She said she didn't know at the time that the substance had been banned starting early this year.

Brands such as Nike and Porsche have distanced themselves from tennis star Maria Sharapova, who has long been the world's highest-paid female athlete.

The five-time Grand Slam champion said she was notified by the International Tennis Federation several days ago that she tested positive for meldonium.