I think it'll move back towards the original pyramid. We'll see the front line be much more hard working and focusing on stretching the width of the field as much as possible. Whilst old style number 9's hassle the central defenders, leaving the attacks to come from deeper. Lots more shots from a longer range. Traditionally you can look to see where the time and space on the field is, and that is where things change. Right now, Bielsa is the only one who is fully committed to the way things are changing. A couple of other teams are starting to employ very big lads near the front to act as high line ball winning midfielders.