Newcastle United’s ambitions under the mind-meltingly wealthy Saudi Public Investment Fund have been anchored by the Premier League’s Profit and Sustainability Rules. The system, which limits clubs from losing more than £105m over a rolling three-year period, means the likes of Man United and Liverpool have a huge – some would argue, insurmountable – head start. Newcastle managed to dodge a PSR breach for the three years up to 2023-24, thanks partly to the last-minute sales of Yankuba Minteh and Elliott Anderson. The exit-bound Amanda Staveley and Mehrdad Ghodoussi have done everything in thei…