Koeman never hid his feelings about Niasse and tried to make life as difficult as possible for the Senegalese forward.
He shipped him to the U21s before sending him out on loan to Hull. He even took his locker and team number off of him before he left.
See it here:
The way Koeman treated Niasse at our club was fucking disgusting. Who hasn't got a locker now eh Ronald. #EFC pic.twitter.com/oF7b5y3SbK
— Jack M (@JM1TTY) October 24, 2017