Manchester City manager, Pep Guardiola, has slammed football’s “big bosses” at FIFA and the Premier League over the welfare of his players. The reigning Premier League champions are in the USA for their pre-season tour with a depleted squad. This is because several first-team players played in international tournaments in the summer and are yet to join the team. Guardiola, speaking with reporters, claimed City will not be able to prepare fully in the pre-season ahead of the new season. He said: “We will arrive late but not [just] against Manchester United [in the Community Shield], against Che…