Arsenal returned to the top of the Premier League with a 3-0 win against Brighton & Hove Albion, with Kai Havertz once again the star. The Germany international scored one and assisted another as the summer signing from Chelsea again showed why he could be the long-term answer to Arsenal’s centre-forward problem against the Seagulls. And with nine goals scored in the Premier League for Arsenal, Havertz has now managed something few would have expected from the 24-year-old after arriving from west London. Kai Havertz hits personal record as Arsenal beat Brighton 3-0As per the the Telegraph’s Sa…