Newcastle United have announced a lucrative commercial deal which, interestingly, is part of a wider strategy within the Premier League. The Toon Army have become unusually acquainted with the club’s sponsorship dealings in recent years for a Premier League fanbase. Why? Because commercial revenue is absolutely central to the club’s long-term strategy to unlock the endless wealth of the Saudi Public Investment Fund. Unlike matchday income and TV cash, there are very few barriers to accelerating commercial revenue – and that could be crucial,with every extra penny earned going straight Eddie Ho…