 The importance of Gusztáv Sebes cannot be underestimated.His tactics – especially the concept of a deep lying centre forward – revolutionised a game where the majority of club and international sides had played the WM formation for the previous 20 years.The introduction and success of the Hungarian 3–2–3–2 formation led other managers and countries to experiment, with the 3–2–3–2 eventually evolving into the 4–2–4 formation.