Get the latest United updates, transfer news and analysis delivered straight to your inbox every day for free If defeats for both Manchester clubs in UEFA's two showpiece finals in the past week have taught us anything, it's not to meddle with winning formulas.
And not to undervalue your holding midfielder. Just as Ole Gunnar Solskjaer moved away from the partnership between Fred and Scott McTominay that has been Manchester United's foundation for two seasons, Pep Guardiola ditched his own defensive midfield mainstay for Man City against Chelsea with Fernandinho and Rodri both benched.
And so the teams placed first and second in Europe's best league were toppled in finals by England's fourth and Spain's seventh-best sides.
Read more on manchestereveningnews.co.uk