Are you ready for a very concentrated dose of football nostalgia to be injected directly into your eyeballs?You are? That's good, because on Tuesday night, Real Madrid legends beat the Barcelona legends 3-2 in front of a feverish audience in Tel Aviv. ? ❤️ @ 10Ronaldinho, loved all over the world pic.twitter.com/4bZWO2E5V2- FC Barcelona (@FCBarcelona) July 20, 2021We know what you're thinking. Yes, Ronaldinho was involved, as was Rivaldo and of course both had number 10. Deco, Javier Saviola and Gaizka Mendieta also…