An investment group led by the Saudi Public Investment Fund (PIF) has recently acquired English football club Newcastle United, ending retail tycoon Mike Ashley's 14-year ownership of the club. After the PIF paid 320 million pounds for the acquisition of the English club, it became the world's richest football club owner. Here are the world’s 10 richest football club owners: Saudi Arabia Public Investment Fund (PIF) - $430 billion The ...