There are an estimated 3.5 billion football fans worldwide, making it the most popular sport to have ever existed. So naturally, new fans – young and old – join this global fanbase every year. It doesn’t matter where you’re from, how old you are, or how much existing knowledge you have about football; anyone can become a football fan. As a new fan of the sport, you’ll have a lot to learn. So, to help you with this, here’s a…