United won't be represented when U.S. faces Peru at RFK Stadium.
Stars-and-Stripes begin build-up to critical showdown with Mexico.
Playing at home, the New York Red Bulls cruised to a 3-0 win over D.C. United and claimed the Atlantic Cup trophy as the winner of the regular season series.
Bradley Wright-Phillips had two goals and an assist to lead the New York Red Bulls to a 3-0 victory over D.C. United on Sunday night.
United looks to hold on to their Eastern Conference lead, but will have to come up huge against the second place Red Bulls.