Marsch 'had to beg' U.S. players to sing anthem

With the U.S. kicking off its World Cup campaign Friday, ESPN introduces you to the 26 players tasked with taking the co-hosts on a deep run.

Think the U.S. isn't a World Cup favorite? Think again.

In Qatar, reactive football felt heroic as the Atlas Lions reached the semifinals. Three and a half years later, Morocco's aim must be to dominate rather than just survive.