The Americans opened up their Group B World Cup play with a matchup against Wales on Monday. USA got off to a very good start when they scored in the first half. Timothy Weah put the Americans on the board in the 36th minute, and the US had a 1-0 lead at the half. Weah and company outplayed the Welsh squad in the opening half, but things changed after the break. Kieffer Moore came in for Dan James to start the second half and seemed to spark a stale Wales attack. Moore had a shot on net, and the Welsh…