Goalless and toothless at the break, you could argue there was a marked improvement at the Emirates in comparison to the very low base set at Bramall Lane. But in the second half, as United retreated further and further back, the wheels came off.
Who performed best and who had a shocker? Here’s Miles Starforth’s player ratings...
1. Karl Darlow - 7
Got a foot to an early ball from Saka which put off Aubameyang, good save to deny Lacazette after the break Photo: Catherine Ivill
2. Emil Krafth - 3
Arsenal repeatedly attacked down United's right, and he was culpable for two goals, struggled to deliver a decent ball when he did get forward Photo: GLYN KIRK
3. Jamaal Lascelles - 5
Restored to the starting XI, another tough night on his comeback from Covid-19. Photo: Catherine Ivill
4. Ciaran Clark - 5
Had far too much to do in the heart of United's defence. Photo: Catherine Ivill