When goalkeeper Brad Guzan was playing in England for Aston Villa, Hull City, and Middlesbrough, he spent many hours in the air, flying back to the United States for U.S. national team duty. This time around, the flight path is reversed. Last week, Guzan got on a plane in Atlanta, where he is the starting goalkeeper for Atlanta United, and headed to England for the first of a pair of international friendlies. He’ll head back from Belgium on Wednesday night with only a few days left to prepare for Atlanta United’s Eastern Conference final match-up with the New York Red Bulls.



Guzan is one of four players remaining on the Americans’ 23-man roster who is still participating in the MLS playoffs. Tyler Adams and Aaron Long from the Red Bulls and the Portland Timbers’ Jorge Villafaña are the other players balancing duties for club and country this week. It’s no easy task for the players’ bodies—the thousands of miles in the air, the...