Former Arsenal midfielder Mathieu Flamini has quietly become the richest ex-footballer in the world, with a multi-billion pound fortune that makes Cristiano Ronaldo's wealth look modest by comparison. The 41-year-old, best known for his tireless performances under Arsène Wenger, now runs a biochemical company reportedly valued close to £20 billion, said to be 40 times the net worth of Cristiano Ronaldo, 40. Speaking to The Times, he explained: 'When I said, as a five-year-old, "I want to be a footballer", people said, "Get your head right. And I'm running a biochemical company. He is also pushing for more sustainability in football, from how shirts are produced to how fans travel to games.
