Mauricio Pochettino is preparing his United States men's national team squad for the Concacaf Nations League semifinals, though he isn't naïve to how quickly the world of soccer can change.
This isn't Pochettino's first competitive game in charge, but it's the beginning of his first real test. Many view last summer's Copa America as the best challenge USA was going to get in the build-up to the 2026 World Cup, but Pochettino has to make the most of the games available to him granted he wasn't even in the job back in July.
