Contrary to widely held belief, the Public Investment Fund of Saudi Arabia has contributed wonderfully to English football this summer. It’s done marvellously for Liverpool, excellently for Chelsea, great for Manchester City and, further afield, even found time to help Paris Saint-Germain and Real Madrid too. For Newcastle United, not so much. Indeed, those who once welcomed the PIF to the city will increasingly worry whether it cares much for their club at all. Saudi Arabian money propped up Fifa’s Club World Cup, which was only going to benefit two English clubs — Chelsea and City — plus a longer list of European royalty. Now, PIF-backed Al-Hilal have paid £46.3million for Darwin Núñez of Liverpool, a windfall that may help facilitate their continued interest in Newcastle’s crown jewel, Alexander Isak. In landing Darwin Nunez from Liverpool in a deal worth at least £46million this week, Al Hilal will believe they have made another statement for the Saudi Pro Leag...