World Cup live: U.S. vs. Portugal game updates

The stage is set for U.S. vs. Portugal -- and an unusual stage it is. The host city of Manaus in northern Brazil is situated in the middle of the Amazon rainforest about 200 miles from the equator. The teams must cope with humidity exceeding 80%, a sandy field ... and super-sized moths flying about.

The mystery of how U.S. Coach Juergen Klinsmann would replace injured striker Jozy Altidore has been cleared, and widespread speculation that he would insert a fifth midfielder instead of bringing on another forward proved accurate.

Graham Zusi, who entered in the second half of a 2-1 victory over Ghana, has gotten the call. Clint Dempsey, broken nose and all, is the lone forward.