Manchester City manager Pep Guardiola has travelled to the United States for games against Borussia Dortmund, liverpool and Bayern Munich with a squad made up mostly of young players as many of his regular stars are enjoying an extended break following their exploits in Russia. First team stars such as Kevin De Bruyne, Sergio Aguero, Vincent Kompany, Ederson, David Silva, Gabriel Jesus, Raheem Sterling, Kyle Walker and John Stones have not made the journey to compete in the annual International Champions Cup pre-season tournament with most not expected back until a week before the start of the domestic season in England. "It is what it is," said the Spaniard. "We spoke — they have to come back ready.