By Jude Summerfield Pep Guardiola says he is managing striker Erling Haaland’s game time during pre-season ahead of Manchester City’s Premier League title defence. The Norway striker is one of City’s more senior players on their pre-season tour of the United States, with stars like Rodri, Kyle Walker, John Stones and Phil Foden given time to recover after their excursions at Euro 2024. Haaland has so far scored in friendlies against Celtic and Milan and has been brought off at half-time during the English champions’ last two summer outings, most recently in the 2-2 draw with Barcelona on Wedne…