Hometown: Kosice, Slovakia
Born: Thursday, October 30th, 1980
Age: 27

Biography: What's more shocking, that the mega tennis star Martina here turned pro at just age 14 or that she retired at 23 years old? Sheesh. These tennis kids and their insane talents. Martina won a lot of matches, teamed up with fellow teen sensation Anna Kournikova and almost finished a Grand Slam (that's like super hard to do) before she retired due to ankle injuries. She recently retired her retirement though.