Manchester United have already rejected a request made by new head coach Ruben Amorim.
The Red Devils officially confirmed the appointment of Amorim on Friday, as he penned a three-year deal.
It has now been revealed by the coach that he had requested to only join the Red Devils next season, but that was denied as United made it clear it was now or never.
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"The season started, we started very well, and then Manchester United came, they pay above the compensation clause and the president defends the club's interests," Amorim said, as per Goal.
"I never discussed anything with the president. For three days I said I wanted to stay until the end of the season, but then I was told it was not possible.
"It was now or never, or Manchester would go for another option.
"So, I had three days to make my mind up, to make a decision that changes radically my life."
The Portuguese tactician will officially begin his reign on 11 November during the international break, with his first match set to take place away to Ipswich Town on 24 November