Derby is something more important rather than a regular game. It's more than 3 points, more than a win. Derby is a great passion, highest commitment and fighting to a finish, to the last second. Of course, derbies attract lots of attention from fans all over the world. Last weekend there were 3 "special" games in European football leagues: Russian Premier League, EPL and Serie A. We decided to measure what is the social media buzz around Spartak Moscow, CSKA Moscow, Manchester City, Manchester United, AS Roma and Lazio playing against each other and find out which of them have the most active supporters. Here's what we got: