nbc's kirk gregory has more for us. >> reporter: the u.s. men's soccer team putting a few final touches on the ball as the americans head into their last group game of this world cup. >> we are getting better. we are getting stronger. with every game that we play, you know, we can build more and more a stronger foundation. we want to beat germany. we want to be first in our group. we're not thinking about a tie. >> reporter: a tie would advance the u.s. into elimination play, but a loss, well, then it becomes more about mathematics than match play. the u.s. is definitely in the round of 16 if ghana and portugal tie, but if either ghana or portugal beat the other handily, well, the u.s. could see its hopes fade. one thing is for sure, u.s. fans in brazil -- >> everything is possible. anything is possible, but confident we're going to come out on top. >> reporter: and all across the nation. >> brings everybody together as a nation. it's really cool. >> reporter: will be watching this game in huge numbers. >> it's different than football. one d