"You sort of scratch your head as a consultant when you hear the manufacturer suggest they curb production, " says Mark Rikess, who runs a dealership training and consultancy in Burbank, Calif.

FORBES: Companies, People, Ideas

"So we shouldn't be surprised these societal problems manifest themselves in football, " added Stott, who runs his own consultancy and training company Crowd and Conflict Management Ltd.

CNN: Racism row shines light on Serbian football

The money was spent on staff costs, training, software, technology and consultancy.

BBC: Surrey Police scrap multimillion-pound computer system