.. the creative process .. .. in football .. and .. and so on ..

".. only when you are so familiar with the elements (building blocks) of your discipline that you no longer have to think about how they are combined, do you enter the creative phase. "

.. this is mentioned in page 212, Chapter 11 Metaphor and Innovation of John H. Holland’s book, emergence from chaos to order.

".. If you are a tennis player and have to concentrate on the elements of each stroke, you will have little appreciation of the flow of the game-your opponent’s strengths, weaknesses and strategy. If you play the piano and have to concentrate on fingering, you will not hear the flow of the music, the "long line."
Local concerns drive out global perceptions, and so it is with other disciplines."

.. a team their coaches must have this in mind when they select their players to man the different positions of the team in a game, to choose the players suited for each position, not to look for players to do every job possible, since no matter how capable they might be, they would still would not have mastered all the skills necessary for each position apart from the one they excel, and they would have to concentrate for the strokes they are not familiar with, and pause the flow of the game of the team, and give the time for the opponent team to counteract and counter-attack.  s54kay

And that lies on top of the necessity for the players to acquire all those techniques football requires out of them, to excel in the position in the layout of the team their unique skills assign them.  And how do they do that? The paragraph above lies within a passage titled practice, and practice as such brings to conclusion the skills a player is endowed with.