#2 Haphazard formation works a treat for Solskjaer
Solskjaer opted for a front three of Jesse Lingard, Marcus Rashford, and Anthony Martial. This gave way to a fluid attack, and United's formation was not set in stone.
Paul Pogba played as a really advanced midfielder, maintaining a much higher position than Ander Herrera on the right. Lingard was constantly switching flanks, and his average position shows just that. This gave Ashley Young a lot of space to exploit on the right, and he did so. The long diagonal from Pogba to Young was on throughout the game.
Rashford was the most advanced, and he also dropped to the right wing often. The first goal came as a result of that. The fluid system seems to be working for Solskjaer. Romelu Lukaku, who is an orthodox striker, could change that. But then again, given United's recent form, he might not.