Supporters in matches - People that 'acquire' friends in the game to get them to cheer on when they are playing. I came up against someone at the top of the league, undefeated, that had a very mediocre team and I was wondering why she was there. I got my answer as soon as we started playing- she had about 7 'supporters' cheering her on!! Call me cynical, but she was a very attractive girl with what I can assume is a bunch of phoneys/perverts following her which allow her to get a great advantage in terms of possession in our match.
My solution would be that you can only friend someone who is a friend on Facebook. This would cut down on all the 'glory hunting' (and pervert trolling if I'm honest). It doesn't help that I can't support genuine friends on different servers and vice versa. This might come off as sour grapes but I actually won 5-1 (don't know if my maximum 30k win bonus had an effect) but it is something that is inherently unfair.