Newcastle United have received a major financial update from an official source that shows just how far they have come under the Saudi Public Investment Fund. It has been almost three years since PIF bought Newcastle, taking over from public enemy number one on Tyneside, Mike Ashley. Things could hardly be more different than under then the high street tycoon, with his perceived lack of ambition replaced by plans to make Newcastle one of the best in the world. The club have been anchored by the Premier League’s Profit and Sustainability Rules (PSR), which in their current form limit clubs to l…