Pochettino was the biggest name the U.S. men's soccer team had ever hired. His rebuild was bumpy at times — but now, with the U.S. headed to the World Cup knockout stage, the players are all in.

With only one round of group stage games remaining, Mauricio Pochettino’s side could be in line for a relatively inviting run to the quarterfinals.

The U.S. head coach explains why he was so 'relaxed' heading into this World Cup, and how the past has helped to shape a positive future