To have a good atmosphere at a football game, you need a good on-field showing and a good off field showing. Both are inter-connected. A good showing by the fans involving loud chants, songs and pyro shows an immediately boosts the team when its down, a case in point being Liverpool‘s infamous comeback from 3 goals down over AC Milan to clinch the 2005 UEFA Champions League.

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10. Ultras SSC Napoli:
Ultras Napoli against Manchester City.
They make sure to fill up the Stadio San Paolo whenever they can. They made it hell for Manchester City last week, and their pyro show isn’t bad either. However there is an ugly side to this support as post games, there have been stabbings of other supporters and such violent activities. Against Bayern Munich, they threw flares into the German’s section while against Manchester City, a 19 year old City fan was slapped.

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