DALLAS, July 29 /PRNewswire-FirstCall/ -- Soccer United Marketing, on behalf of Major League Soccer, L.L.C. (MLS), the U.S. Soccer Federation and AT&T* announced today that AT&T will be the official communications services sponsor of MLS and the U.S. Men's and Women's National Teams. As part of the multi-year agreement, AT&T is the title sponsor of the AT&T MLS All-Star Game, and in the future will enhance the soccer experience for fans by delivering exclusive content across the wireless device, TV, and PC.