Boom-Boom-Clap: The USMNT Qualifier That Made Seattle a Soccer Hotbed

On a rain-soaked night in Seattle, the United States Men's National Team (USMNT) delivered a performance that forever changed the city's place on the soccer map. The 2013 World Cup qualifier against Mexico at CenturyLink Field saw an electric atmosphere, with 67,000 fans creating a deafening roar that rattled El Tri. Midfielder Clint Dempsey opened the scoring early, and forward Landon Donovan added a second, but it was the crowd's relentless energy—dubbed the 'Boom-Boom-Clap' chant—that turned...