1. Using natural wingers on both flanks

Former Arsenal boss Unai Emery preferred a front three of Pierre-Emerick Aubameyang, Alexandre Lacazette and Nicolas Pepe, which meant the Gabonese had to play as a left-winger and not in his preferred position. Aubameyang is too good to be dropped for Lacazette, but playing him out wide increases the burden on the left-back and the right-winger, who have to work twice as hard to create chances.
Therefore, playing someone like Gabriel Martinelli or Bukayo Saka would massively help Pépé and in doing so, Arsenal would have specialist players in each of the forward positions, which would consequentially bring the best out of them.
If there is one thing defenders hate, it's pace and the Gunners' devastating front three could terrorize oppositions teams, as they did so in the second half against West Ham in their previous league encounter.