Despite losing Alexis Sanchez to Manchester United, gaining the quality of Armenian Player of the Year Henrikh Mkhitaryan without spending a penny should prove to be good business.

Club-record signing Pierre-Emerick Aubameyang from Borussia Dortmund is also a world-class player whose talent matches the expected ambition that Arsenal fans have been crying out for since the signings of Mesut Ozil and Sanchez.

Aubameyang is a doubt to make his full debut for the Gunners however due to stomach illness.

Here are five things to look out for when Everton travel to the Emirates Stadium.

Gonzalo Arroyo Moreno/Getty Images Sport Start