If he can makes United playing equal good or better than the Ajax he left next season. Then i will be more than satisfy. Because the way the Ajax team was playing. I think they shall be good enough for top 4 in premier league. But the different between the Ajax team and United team is really big.
United dont have a magical left foot in Tadic. Who beside scoring goals had between 15-20 assists. Ajax had a stronger CB duo, better defend line and better wingers. United without any good RW right. And incosistent attacking line because of the affect of the poor collective. A collective collapse.
So sum up and in short words. United biggest problems Ten Hag to fix :
+ Yet again. United shall get another world class CB or closest to that level as possible. Still after the years of Lindelof, Maguire and Varane. United still another world class CB.
+ A top level nr.6 in a 433 formation. The balance midfield controlling and dictating cm player
+ A new top level and creative nr.8. You can say a Pobga replacement if he decide to leave. Since Pobga has been incosistent in that creative attacking role. United have been screaming for a Scholes, Modric and Eriksen playmaker of type player. Not the creative sitting back cm playmaker. But a more offensive and attack nr.8. Since the time of Scholes retirement and back to David Moyes time. That problem havent got fix yet or someone consistent good enough to cover the super conistent creative role and job Scholes was doing. Even Bastian from Bayern and Germany was struggling to did that. Understandable because of injurires and Bastian wasnt on his peak, but on the way down his career when he joined United. Like Cavani and Ronaldo. Those 3 were at the end of theirs career
+ A new top RW.
So there are 4 clearly positions United and Ten Hag need to solve. To at least to be good at this current Ajax team and closer to City and Liverpool level.
I can mention and suggest some names in each positions mentioned above:
+ A new CB. There has been linked with Timber and L.Martinez. United have many right foot CB in this current squad. And does have speed too. But with a left foot CB. Who can dictate, controll and deliver precise diagonal long passes from left area/back to a really quick and skill RW. Special set up for counter attack against a high back line. Can be a dangerous and effective attacking weapon.
But if Ten Hag thinks United need both of them. Need both of Timber and Martinez at United. Then he shall for it. But who is most needed as CB. At this United current situation and squad. I think i would go more for Martinez. Martinez is more a natural leader and outgoing than Timber. Martinez is aggresive and really hate to loose. So he will pust rest of team to give the best. United need top fighting and winning mentality.
I will set up a line up with both of them later.
+ The controlling DCM/nr.6 playmaker. There are few i think can do a decent job as nr.6. With more practise, get use in that role as the highest level and with Ten Hag guidance how to play that role. Then i can see Fred and James Garner in that role. But if they are good enough to be a regular starter in a team that are battling for top 4 or better is another question.
Like Ten Hag just said. I think Fred and Garner will do a good enough job in that nr.6. But for Ten Hag "good is not good enough". I agree with that. The level shall be closest to Pirlo, Busquets, Carrick or Rodri is doing for City. And Fred and Garner at this moment is not on the top level as nr.6. Clearly.
Reason why i think Ten Hag shall get a new nr.6. With external solution.
And with external solution there are 2 nr.6 i think meets those expectations of level. Those 2 are Aurélien Tchouaméni and Manuel Locatelli.
+ And for the new top creative nr.8. I am still searching and still havent come to the last decision who i should go for yet. Jude Bellingham is one of the option. But i m still looking for another options.
+ And for RW. There are 2 options with a 3 rd alternative. First Antony who has been linked with United. Then another really good RW in Raphinha. Then the third option is Leverkusen and France RW Diaby.
So now how to line up those options in each position. In Ten Hag most use formation 433.
RB - Varane/Timber - Martinez - LB
Raphinha/Antony - RCM = Bellingham? - CDM Tchouaméni/Locatelli - Bruno - Rashford/Sancho
CF: Rashford/Ronaldo/Nunez
There you have. 433 turn out to be a 451 without the ball and in the defensive. RW and LW track back to help the fullbacks. Become a 5 men midfield. Make 433 and total compact, tight and hard to break down. But still have super fast and skill full wingers always ready to counter attack or good enough to beat defenders against establish defenders.
So conclusion. Those are mine suggest and recommendations. But if Ten Hag is having his own targets and options he shall go for. But from mine scouting and formation analizing. Those players i have mentioned are best and from United realistic can get and buy from.
From a freelance scout and United external consultant