Manchester United winger Alejandro Garnacho will pay for a team dinner following his unhappy reaction to his first-half substitution against Ipswich Town.
Garnacho made way for full back Noussair Mazraoui after left back Patrick Dorgu was shown a red card in the 43rd minute of United's 3-2 Premier League win and headed straight down the tunnel.
Amorim consoled Garnacho before he walked down the touchline and towards the tunnel and the 20-year-old did not resurface for the second half.
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Garnacho uploaded a photograph of his unhappy reaction onto Instagram later on Wednesday evening before posting a photograph of United players celebrating Matthijs de Ligt's goal to go 2-1 win up on Thursday morning with the caption, "Important 3 points! Team."
Amorim promised he would speak to Garnacho on Thursday morning and the Argentine approached the United head coach in his office.
"He came to me," Amorim revealed. "Was funny because the next day he came to me to my office. I did some investigation and he went to the dressing room, changed his clothes because he was wet, he watched the game not on the bench and at the end of the game he was there and went home. So there is not an issue there.
"He's a young kid that will learn. The important thing was the next morning he was speaking with me. I think we need to see that small things like walking out onto the pitch - because (Joshua) Zirkzee did the same thing (after he was substituted on 33 minutes against Newcastle in December) and the context was different - but it was the same thing.
"We have to understand the situation, the context, the age of the players, of course they have to be better. They have to understand perception here is really important. But you can deal with that the next day and move on so let's just move on.
"But I told him at Manchester United, everything is important and the perception in a big club is really important. So he is going to pay a dinner to all the team and that’s it.
"I think he (Garnacho) understands. But, like I said, [the players] read everything, all the small things. And I know the players quite well, I played for quite a while, I understand they are frustrated. He was subbed, he was playing well and has to go off in that moment of the game. It's hard to deal with everything but they have to deal with everything. I just try to help them be better footballers."
Garnacho sustained a minor injury against Ipswich and will be assessed before the FA Cup fifth round tie against Fulham at Old Trafford on Sunday but Amorim is optimistic he will be available.
"He has a knock," Amorim added. "When he went to shoot, was blocked almost inside the box. He has a knock, I expect for him to be ready but we will see. I have to wait until tomorrow."