Charlie Davies had waited 17 months to return to a competitive match. So when D.C. United was awarded a penalty kick, he wasn't about to wait longer to return to scoring. "He looked at me and said, 'I need this, I want this,"' teammate Dax McCarty said. "I knew when I gave him the ball he was going to bury it for us." Davies converted the 63rd-minute penalty, added a...