Total Football
theory of football in which any outfield player can take over the role of any other player in a team
en-US/ˈtoʊtəl ˈfʊtˌbɑl/
en-GB/ˈtəʊtl ˈfʊtbɔːl/
theory of football in which any outfield player can take over the role of any other player in a team