"It took quite a long time to understand what we want from him", Mourinho said after the match.
We have no idea what he was thinking giving away a needless penalty away.
However, The 25-year-old Belgium global has failed to find the back of the net in his last eight (now nine) matches and has not scored at Old Trafford since late March.
"I think he coped well with his development process". We have to do everything that we can to achieve a good result and to stop them.
Sanchez missed Tuesday's Champions League defeat to Juventus with a groin problem and Jose Mourinho appeared to have ruled the Chilean out of Sunday's game as well.
Jesse Lingard and Alexis Sanchez return to the squad after resuming training on the eve of the game after recovering from their respective groin injuries, but only make the bench. Coleman and Gana Gueye dealt well with a right wing raid by Martial before Walcott pressured Lindelof into a mistake to find Sigurdsson whose cross for Bernard was just a tad too strong.
United have shown weaknesses defending corners recently, and almost fell behind from another in the 15th minute, but Andre Gomes' free header was saved by David De Gea. "That made them more comfortable in the match".
Pickford made the games first real save in the 23rd minute beating a Martial blast away for a corner that came to nothing.
Martial was excellent in the game as he won us a penalty and scored a brilliant goal to give us a 2-0 lead.
The visitors did eventually pull one back when Sigurdsson converted a penalty with 13 minutes to go, but United held on to claim a win that moves them above Everton and five points off the top four.
The 25-year-old scored with a fortuitous follow-up after Jordan Pickford saved his initial attempt from the spot midway through the first half at Old Trafford.
Gylfi Sigurdsson's late penalty ensured an anxious end to proceedings for the hosts but, with United's legendary former star Eric Cantona watching from the stands, his fellow countrymen did enough to secure three points. In terms of my approach to my young players, that's the way I am.
There was no dispute about Martial's second goal, after 49 minutes, as he gathered a short pass from Pogba and curled a superb 18-yard shot past Pickford.
Organised the back four with authority for most of the game but gave away an bad penalty, unnecessarily lunging in the box to give Everton a route back into the game.
Rashford started in place of Lukaku but wasn't great in the game and replaced in the second half.
'It was not a penalty, clearly the player dived.