As tennis fans, we pay for the drama, and upsets give us the absolute most of that. But traditionally, we tend to forget about the incredible matches that have been played at the US Open in New York. Sure, Roberta Vinci defeating Serena Williams in 2015 was huge, but when was the last time you talked about Arnaud Clement's 1990 victory over Andre Agassi, or Venus Williams' 1997 upset of Anke Huber...