All-time greats Steffi Graf, Venus Williams, Justine Henin and Serena Williams have all won gold in singles. The closest thing to an upset came in 2008 when Elena Dementieva defeated Serena Williams
Today Laurie Hernandez is shining bright at the 2016 Rio Olympics competing for Team USA. In a little over a year she has become a household name and a force to be reckoned with this summer. The