Ruben Amorim is already getting a reputation at Man United - his players need to get used to it

Ruben Amorim had predicted on Monday that "a storm is coming" Manchester United's way, and when the gale blew through the Emirates in the second half on Wednesday, his team looked unable to cope.

Since his appointment, the 39-year-old has overseen a period of positivity at Old Trafford, but this was always going to be their biggest test yet, and by the end of it, Amorim had a better idea of just how much work there is to do.

The 2-0 defeat to Arsenal exposed a couple of key issues. His side lacked quality in the final third, and when Arsenal turned up the intensity after the break, United wilted in the face of the physical battle. That will be particularly concerning to Amorim.

That physical shortfall is why he is continuing to tinker with his team. Predicting an Amorim XI is rapidly becoming impossible. In four games, he has handed starts to 21 players, and the past three matches have seen six changes in every one of them.

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He is showing players that they will all be involved under his stewardship, making it clear that this is a meritocracy and nobody is far away from the starting XI. Under Erik ten Hag, players could disappear for weeks on end after making a mistake, but now there is no punishment for mistakes and also not necessarily any reward for success. Every goalscorer under Amorim has been dropped for the next game.

Some of the changes are tactical as well as physical. The 39-year-old is showing himself as a horses for courses head coach. He has changed the focal point of his attack in every game, and having focused on inverted wing-backs so far, he played Diogo Dalot and Tyrell Malacia on their