He's built a foundation of a style of football that is more complicated than anything ever done in England before and attempted to bring our tactical sophistication up to the level of the major European leagues.
He's also spent his first season assessing the squad and will be chopping some very popular names such as Aguero and possibly Kompany in order to facilitate this. He's created in Jesus, Sterling and Sane an attacking three that's potentially got ten years together and will be the envy of Europe.
In addition he's attempting to make the fans realise their role in a football match isn't passive which if taken onboard will be a lesson we've needed to learn for many years.
He's also as it stands putting us back into the Champions League.
He's got a big job ahead of him but let's not go all raggy and presume he's just turned up and tossed it off for a year.