Stuck at work? Watch the game online
A tie would put both teams through to the knockout rounds, but that might be too predictable a result for this World Cup. Here's how to watch the match online.
Meanwhile, Germany boss Joachim Löw starts with an unchanged defence despite fears over the fitness of right-back Jerome Boateng. In midfield Bastian Schweinsteiger starts over Sami Khedira, while Lukas Podolski gets the nod over Mario Götze up front.
United States starting lineup (4-2-3-1): Tim Howard; DaMarcus Beasley, Matt Besler, Omar Gonzalez, Fabian Johnson; Kyle Beckerman, Jermaine Jones; Brad Davis, Michael Bradley, Graham Zusi; Clint Dempsey.
Germany starting lineup (4-3-3): Manuel Neuer; Benedikt Höwedes, Mats Hummels, Per Mertesacker, Jerome Boateng; Bastian Schweinsteiger, Philipp Lahm, Toni Kroos; Lukas Podolski, Thomas Müller, Mesut Özil.