Arsenal have been scouting a number of midfielders ahead of the summer transfer window, and Bayer Leverkusen’s strong form has attracted them to one of their stars. Midfielder Exequiel Palacios has been excellent alongside former Arsenal star Granit Xhaka, and he could now be a contender to help fill the void left by him. Thomas Partey could depart in the summer, with his injury issues proving problematic for Arsenal this season, as he has not been able to line up in midfield at all. It seems likely that Arsenal could sign more than one midfielder in the summer, with Martin Zubimendi linked as…