One Arsenal player has now opened up about which role he feels suits him best after Mikel Arteta attempted to change his game. Kai Havertz ultimately enjoyed an impressive first season at Arsenal. Last summer, the Gunners paid £65 million to prise him away from Chelsea. At the time, this deal was questioned in many quarters. A survey of football agents named Havertz as the worst signing of the summer. The German certainly arrived at the Emirates Stadium looking short on confidence. In spite of all his natural talent, he had failed to ever shine on a consistent basis in his time at Stamford Bri…