Big outlay does not automatically mean a deep squad. It can also reflect churn, repeat fixes and an uneven build. Reports suggest United have had the highest net spend in that period, yet the squad still appears to carry familiar doubts.
That is the real pressure point. Elite teams rotate without a major drop in level. United do not yet consistently look like one of those sides.
The return to Champions League football changes the rhythm of the season. Recovery time shrinks. Selection decisions become sharper. Minor absences suddenly matter more.
For Michael Carrick, as the report says, the challenge is not simply winning the biggest matches. It is managing the weeks around them. A squad can look strong on paper in August and stretched by October if too much rests on a small group.
A slow opening makes rotation harder. Managers trust fewer players when results are shaky, and that can deepen the workload problem. It also makes every expensive signing part of the conversation, fairly or not.
United now need their spending to translate into resilience, not just headlines. The next run of domestic and European fixtures should reveal whether this squad is finally built for the demands of two fronts - or whether another rebuild will soon be back in focus.