This book is about the hidden factors, mechanisms and technologies that determine sports results in football. About what players teams should buy; is it worth keeping older football players; which national teams have a chance to become champions in the future, and which have nothing to hope for; how statistics help goalkeepers save penalties and much more. Popular, based on factual data, the authors of the book debunk common misconceptions about football. The book answers the most pressing questions of world football, of interest to everyone from fans and sponsors to coaches and team players. It shows exactly what economic, cultural and demographic threads football is connected with the life that flows outside the walls of stadiums. This book is for everyone who is not indifferent to football and who is interested in learning about modern technologies for achieving success...