Arsenal have been linked with a move for Newcastle United star Alexander Isak recently as Mikel Arteta’s search for a new striker goes on. Despite Kai Havertz being in scintillating form, there is a concern that Arsenal are in need of another goalscorer in their ranks. Gabriel Jesus is the second choice striker in Mikel Arteta’s squad, but the Brazilian has been in woeful form in front of goal. Arsenal fans slammed Jesus after his poor showing against Southampton last time out, and there would be little faith in the former Manchester City man to step up and deliver if Havertz were to be sideli…