Usually what is often taken for granted will always give unexpected surprises. Arsenal will play away against Chelsea and everyone knows that Chelsea have won at Arsenal, and vice versa. So it would be very fatal if Arsenal underestimated Chelsea just because of Chelsea's erratic performance this season, because Chelsea could have won unexpectedly against a big team like Arsenal.
When viewed from the last 5 meetings between the two, Arsenal have the dominance to beat Chelsea, so far Arsenal are still too strong in the English league, despite losing against PSV Eindhoven in the Europa League match.
while Chelsea were shocked by the result of the defeat against Brighton, although in the previous game they played very promising after the coach was taken over by Potter. The fifth of November will be an interesting game for both teams, we have high hopes and Arsenal will not underestimate Chelsea, judging by their strength after being coached by Potter.