The foundations are being built by Tuttosport, and that's been the case for some time, with Martial moving to the bianconeri feeling likelier at this stage than Morata.
The visitors knew a win would all but secure second spot but Mourinho made six changes to his line-up and it backfired in a horribly disjointed display.
The Frenchman has found opportunities hard to come by at Old Trafford since Mourinho's arrival in 2016, despite finishing as the club's top scorer in his debut campaign in the Premier League.
"I worked with Brazilian players in every team I coached, and I enjoyed a lot. I don't believe it will be Willian, because Chelsea won't make it possible", said Mourinho in a previous press conference.
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In particular, the Spanish global was not happy with Lionel Messi and Luis Suarez. We're happy because we can still end the league season without losing".
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The Sunday Mirror claims that while a number of Manchester United's hierarchy are against Martial leaving, Jose Mourinho would be willing to sanction his departure if he were to be able to get one of his main transfer targets in return, Chelsea winger, Willian.
These comments have only fuelled speculation that Martial will be leaving this summer and it seems the French global has plenty of admirers in London if he decides to remain in the Premier League.
Clubs will line up to take the 22-year-old off Mourinho's hands - with Chelsea high up that list.
The Daily Mail claim that Arsenal and Tottenham are among the clubs showing a keen interest in signing Martial and are ready to do-battle over his signature this summer while Chelsea are also thought to be keeping an eye on his situation.