Real Madrid is still the biggest name in football when it comes to brand value. But this year, Arsenal has made the headlines with a huge jump up the rankings. Brand Finance’s latest Football 50 report, published on 20 August, values the world’s 50 biggest football brands at €23.9 billion in total. That’s the biggest year-on-year increase since the ranking began 15 years ago. And the money is increasingly concentrated at the top. The 10 biggest clubs account for €14.9 billion of that total — more than 60 per cent. Real Madrid breaks the €2 billion mark Real Madrid has now…