One of the greatest upsets in sports history took place at the U.S. Open in New York City on Friday afternoon.

Roberta Vinci, the 43rd ranked player in the world and a 300-1 long shot, defeated Serena Williams in three sets, ending the star's bid to win the first calendar Grand Slam in women's tennis since 1988.

Posted in: Drake

Later today, Serena Williams will square off against her older sister, Venus Williams, in a US Open quarterfinal match.

It'll be the 27th time that the sisters have played against one another, but this time, there's more at stake than ever before.

Posted in: Serena Williams

Rumors of Drake and Serena Williams hooking up have been circulating for months, and both parties have repeatedly insisted that they're just friends.

But if the tennis legend and the emotional emcee wanted to keep their relationship on the DL, they've should've laid off the PDA, because TMZ has photos of Drake and Serena making out at a swanky Cincinnati restaurant.

Posted in: Drake