Read More...KANSAS CITY, Kan. (AP) — Gyasi Zardes had his first two-goal international game, 17-year-old Christian Pulisic became the youngest American scorer in the modern era and the United States routed Bolivia 4-0 in an exhibition Saturday night to sweep its three warmup matches for next month’s Copa America. Zardes scored in the 26th and 52nd minutes around defender John Brooks’ goal in the 37th.