Thomas Frank has expressed his anger at Kai Havertz for avoiding a red card in Arsenal’s 2-1 win against Brentford this weekend. The German superstar scored the winning goal for the north London side as Havertz extended his goalscoring run to four games, with Arsenal now winning their last eight in the Premier League. However, there was controversy surrounding Havertz’s winner with many rival fans claiming that the 24-year-old attacking midfielder should not have even been on the pitch after diving whilst on a yellow card. Thomas Frank fuming at Kai Havertz not being sent off for ArsenalAnd sp…