If team A runs the ball successfully on B, then A is forcing B to comply with A s will. The psychological price that running the ball exacts from the opponent is an important difference between running the ball and throwing the ball. Such a passing games exact a psychological price. But if A runs the ball successfully, B is being beaten physically and psychologically, and B knows it . The physical and psychological prices exacted by a successful running game are, in the fourth quarter especially, usually more unbearable than living in defeat.
Coaches talk about team speed almost as much as about running the ball.
They do so for a reason made explicit by Rommel in his desert warfare. Concentrate in space . Concentrate in time . And this is why speed kills in football. If team A is faster than team B, team A can concentrate in time better than B can.