Five Borussia Dortmund stars set to follow Jurgen Klopp out the exit door: Chelsea and Gunners targets included

4. Ilkay Gundogan

There’s every chance that if injury hadn’t ruined his chances, he’d already be somewhere else. Gundogan has been the subject of some intense speculation over the past year himself, and despite those injury worries he’s still be looked at by the likes of Manchester City and Arsenal.