In sports, stuff happens, and how an athlete copes with that stuff can determine whether he or she ends up with a championship. Just ask Stephen Curry, who has seen calls go against him and the Golden State Warriors a time or two. While winding up a tour of Asia with Under Armour, he was asked about Serena Williams's meltdown when an incident with the chair umpire escalated during the U.S. Open women's championship Saturday. “It's tough, but with experience you understand how you can control your emotions and how you can stay focused on what the task at hand is and that's just winning basketball games and not letting anything get in the way of that,” he told Omnisport. “You're going to have reactions.