Next Man Up: Who Steps Up If Christian Pulisic Is Not Fit vs. Australia?

The U.S. men's national team is staring down a massive test against Australia in its second World Cup match, but the biggest storyline heading into the match isn't just the opponent — it’s the fitness of Captain America himself.

If Christian Pulisic is sidelined, the USA faces a massive tactical void on the wing. On "World Cup NOW," FOX Sports' Alex Scott, former national team manager Bob Bradley and veteran defender Walker Zimmerman weighed in on who gets the nod in a "next man up" scenario.