Kai Havertz has stunned Bukayo Saka with an ‘impressive’ thing he has achieved since joining Arsenal from London rivals Chelsea during the summer 2023 transfer window. The Gunners bet big to get Havertz to Emirates Stadium in the off-season as manager Mikel Arteta sought to replace Granit Xhaka. He had stomached a mixed career at Stamford Bridge over the previous three terms. But Havertz has shown why Arsenal targeted his arrival in N5. Havertz struggled to establish a vital role at Stamford Bridge as Chelsea’s managerial merry-go-round regularly saw his roles change. Arteta envisaged the Germ…