Ole Gunnar Solskjaer has a tactical dilemma on his hands ahead of Saturday's Manchester derby. The Manchester United boss recently moved away from his favoured 4-2-3-1 system to adopt 3-5-2, with an impressive 3-0 victory over Tottenham Hotspur picked up on the back of the change.
The back-three shape remained for United's meeting with Atalanta on Tuesday evening but during the contest, Raphael Varane appeared to pick up a hamstring injury that forced him to leave the field.
In the build-up to the match, Victor Lindelof also suffered from a setback, meaning that two of Solskjaer's back three from the game against Spurs could miss this weekend's bout against Manchester City.
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