In the management of any sports club, you expect to find a group of coaches and administrators, and usually these have previous experience in the same sport, that is, veteran players or technical experts in the game. But the English Liverpool team includes a group of unusual employees, they are members of the data analysis department. The data analysis department works to collect a huge number of information about the game. For example, Graham was able to build a database that includes ten thousand players, including all data on their capabilities and their playing statistics : The number of goals they scored, the number of successful passes, the number of successful objections, and so on.