Jessica Pegula is a gritty tennis professional bruising her way through the U.S. Open bracket at the age of 30. Emma Navarro, for her part, is a crafty 23-year-old player in the midst of a breakout tournament. Both just so happen to be the daughters of billionaires. And both have been propelled by the backing of the boisterous and patriotic New York crowd in Flushing. Jessicas father is Terry Pegula, owner of the Buffalo
