Mata of course, would have been remiss if he didn't include the impending FA Cup final in his weekly post and the diminutive Spaniard insisted the Red Devils will give their best to ensure the fans have something to cheer for come Saturday.
Carrick was the only permanent signing that year for £18 million.
"He has mentioned mentality a lot in the last few weeks and I am convinced it's because of those peaks and troughs coming so unexpectedly".
Despite retiring, Carrick isn't leaving United at all. "He passes well, has a good shot and is a complete player". His playmaking skills and crossing ability added to his importance in dictating the tempo of the game as well as initiating attacks.
Martial wrote: "What a player and also a great man thanks for all your advice!" This midfield partnership ushered in a continental style of football based on passing and keeping possession in contrast to the traditionally direct style of English Football.
Jose Mourinho's trusted number two has done it all with the self-proclaimed "Special One" during their 17 years as a duo, from winning a treble with Inter Milan to amassing 100 La Liga points with in a single season with Real Madrid.
Which players will end up at Manchester United remains to be seen.
Manchester United’s Alexis Sanchez reacts to a poor performance
Even so, Mourinho is aware of that Carrick's expertise and recognition as a participant will present a helpful hyperlink with the dressing-room after 12 years at Outdated Trafford.
"We can disagree but he is still the manager and I am the player". But certain stars may have already played their final game for the club.
"They may not have the best stats for goals or assists, but they are at the heart of it all".
"When you play with Michael Carrick you think there is authority, control, peace".
He's an authoritative voice in the dressing room and not averse to speaking his mind.
Should Kroos prove unattainable, then Express Sport understands United are monitoring three other players.
Carrick will hang up his boots at the end of the campaign and become part of Jose Mourinho's coaching staff next term.