Jose Mourinho has branded Manchester City "untouchable" ahead of Sunday's eagerly-awaited derby showdown.
"I focus on the four lines, focus on football, so if you want to speak about their football potential we can speak, and football potential starts with investment".
Asked what it was about Aguero he was not a fan of, Mourinho responded: "I keep (that) for me".
Honing in on the acquisitions of Kyle Walker, Aymeric Laporte, Danilo and Benjamin Mendy, he couldn't resist having a dig at City's tendency to buy solutions rather than find them through clever management.
However, Paul Pogba scored twice in the second half to level the derby clash before Chris Smalling netted a dramatic victor to make Manchester City wait to get their hands on the trophy.
Paulo Dybala has revealed what he said to Jose Mourinho after confronting the Manchester United boss, as he taunted the Juventus fans on Wednesday night.
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Indeed, you have to go back to April 2015 when United beat City 4-2 for the last home league win for either of the Mancunian giants.
Mourinho has spent an estimated £370 million ($480 million) on players since arriving at United in May 2016, while City manager Pep Guardiola is thought to have spent around £485 million over the same period.
"After that, of course, there is a quality of the work, of the organisation, I think that is untouchable". He has tried painting too "but I'm not very good at it" he said with a laugh.
"If I need a full-back because I am not happy with Luke Shaw's level, the easiest thing is to buy four".
"It is not about scoring for one season, it is about scoring goals in your career".
However, Raiola has told Rai Sport "He [Pogba] has mended his relationship with Mourinho", Raiola's statements comes after Pogba helped United to a marvellous comeback against Juventus in the Champions League, where they came from a goal down to win 2-1 in Turin, but Raiola was also quick to mention that Pogba's heart may lie with the Serie A club.