Red Bull sports supremo Oliver Mintzlaff believes cutting out unnecessary international matches could be the way to reduce the burden on footballers from an ever increasing calendar. The addition of two extra games in the Champions League and FIFA’s 32-team Club World Cup next year has ratcheted up the pressure, with players such as Spain and Manchester City star Rodri saying players may have to strike. He was ruled out for the season with a knee ligament injury shortly after speaking out. Mintzlaff, formerly in charge at RB Leipzig before being promoted to head up Red Bull’s entire sports div…