Chelsea are reportedly interested in signing an attacking midfielder from the Bundesliga this summer. However, Manchester City are also thought to be keen on him, which could really complicate things for Chelsea. The Blues are having a busy summer, already bringing in the likes of Kiernan Dewsbury-Hall, Marc Guiu and Tosin Adarabioyo. Chelsea have also agreed a deal with Palmeiras to sign Estevao Willian, who will join the club next year. They still look keen to add another attacker to their squad, though. It has been claimed that Chelsea are interested in Karim Adeyemi. Manchester City and Ch…