This. Atleast until Rashford is back
Against teams United shall Dominate this can be a option.
With Ronaldo and Rashford back. I like and prefer 442 with 2 CFs
Sancho - Bruno - McTom - Rashford + Greenwod (RCF) - Ronaldo (LCF)
Now the tactical. Depend on teams United shall dominate. Like team sitting back and park the defend. I would prefer a better and more offensive right full back in Dalot instead of Bissaka. Because of Dalot precise crosser from the wide. Where you have a really good header in Ronaldo in the box, coming from the far post. And i maybe would go for a really offensive duo in Bruno and Pogba. To press and power play parking bus teams. With a XI like this:
Ultra offensive 442:
Dalot - Varane - Maguire - Shaw + Sancho - Bruno - Pobga - Rashford + Greenwood - Ronaldo.
And now against Liverpool, City, Chelsea, PSG and Bayern Munich. The current top 5 in Europe. A more defensive XI. Then the super aggressive, mobile and destroyer McTom shall in the line up. Maybe i would go for another DM and two DM and put Bruno back as nr.10. And of course Bissaka back as RB. Like this in a more 4411 formation. A more natural CAM than with 2 CFs in a 442 formation.
Bissaka - Varane - Maguire - Shaw + Sancho - McTom - Fred - Rashford + Bruno + Ronaldo
Conclusion and sum up. My tactical line up depend on the strenght and weakness off the opponents. Against team i think and believe United shall dominate. I go more offensive.
Against top 5 in Europe. I go more defensive. Win the match by beeing aggresive as a team. Break them down and being effience with counter attack. With 2 really skill ful and fast wingers and wide players. And with 2 clinical and sharp 2 attacking players in one CF and a free CAM.
Against. It depend on the opponents teams. Special theirs CMs. The aggresiveness, intensity and skills of theirs cm players and full as a team. How i would line up.
And again. Against teams United shall dominate. Most of the matches. Its the gas pedal is on the full speed. 4 defend and 6 attacking players.