Jose Mourinho has been in the game for over seventeen years now and his approach to the game has gradually become parodied as one of extreme conservatism.
To a not insignificant extent, there are indications through his career that this caricature is not a million miles away from the truth: in the re-signing of ex-players, the usual faces in the dugout and the same tactics on the field.
Questions have been raised as to whether the latter is what is currently holding his Manchester United side back. Has Mourinho's 4-3-3 formation become outdated? Is it a system that restricts Manchester United's attacking talent.
Here are three reasons why the formation needs to go: