There are two kinds of feedback. Process feedback where the current process returns to a previous step and behavioral change feedback. Both kinds of feedback are important to football, although feedback as a way of changing behavior is the most well known within football. Feedback has first been introduced in cybernetics in forties. Any system…

To be blunt: formations do not exist. Why would formations not exist? Everyone is using the concept of formations in football. So at least formations seems to exist. And in a simple way formations do exist. Formations exist as a word, a term used in football and as a concept. But concepts are abstractions. Concepts…