Today, the 2013 U.S. Open starts in Queens, New York. While we're all anticipating the world-class tennis, we can't help but also look out for the inevitable tennis tantrum or two. At the 2009 Open, Serena Williams got disqualified for threatening a line judge. Remarkably, that's not the craziest player meltdown we've seen in tennis history. There have been plenty of blood, sweat, and tears poured on the court. From John McEnroe's (multiple) classic meltdown moments to Andy Roddick's best rants, we present The Most Ridiculous Tennis Tantrums in GIFs and Video.