After a strong showing in the group stage of the Concacaf Gold Cup, the knockout stages are here for Mauricio Pochettino and the U.S. men's national team as they look to regain the title from Mexico.

While the current “Big Four” of Concacaf nations advance, with the U.S. men’s national team, Canada, Mexico and Panama, three other nations will be looking to impress the region in the quarterfinals, while guests Saudi Arabia seek a title of their own.