The German international spent the last three seasons at Stamford Bridge, scoring 19 goals in 91 Premier League games.
The 24-year-old struggled to make his mark at Chelsea but managed to score the winning goal in 2021 Champions League final against Manchester City.
Havertz became Mikel Arteta’s first signing of the summer transfer window and is expected to earn £330,000-a-week.
Arsenal fans are very excited about the versatile midfielder but club legend Paul Merson suggests a problem that the German international might face.
“Arsenal should be buzzing with Kai Havertz, he makes them a better team,” he told Sky Sports.
“The only problem I could see with Havertz is similar to that experienced by Mesut Ozil at Arsenal. If it’s not going well, Havertz doesn’t look too interested.
“That’s just down to the way he plays, it’s just the way certain players are, it’s not that he’s not trying. If you’re having a good game Havertz looks elegant, silky, but if it’s not going well, people will say he’s not running around or trying.”
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