Photo United States’ Bobby Wood was tripped by Miguel Samudio of Paraguay in the second half. Credit Elsa/Getty Images PHILADELPHIA — The United States knew the Copa América math days before it took the field against Paraguay on Saturday. A win or a tie would mean advancement to the quarterfinals. A loss would mean elimination.…

Müller said he enjoyed the wide variety of demeanors in the tunnel. Some players stay light, he said, embracing a former teammate on the opposing team or chatting to pass the time. Others, however, are jarringly serious. “Like Badstuber,” Müller said, referring to Holger Badstuber, his teammate with Germany and Bayern Munich. “He is the…

Photo Clint Dempsey, left, and Jurgen Klinsmann as the United States routed Costa Rica. Credit Jonathan Daniel/Getty Images United States Coach Jurgen Klinsmann promised that his team would not sit back and play it safe while taking on Paraguay in Philadelphia on Saturday, needing only a tie to reach the quarterfinals of the Copa América…