Arsenal have been incredible over the last two years in the Premier League. If the Gunners weren’t going up against arguably the best team in the history of this league, they would probably be back-to-back champions at this point. Arsenal have built an incredible team through smart coaching and clever recruitment. Indeed, Arsenal’s signings have been pretty-much spot on over the past few years, but there was one signing that took a while to get going. Cast your mind back a few months and you’ll remember that Kai Havertz had a very slow start to life at Arsenal. Speaking on Men in Blazers, Mart…