The 21 - year - old joins the Championship
outfit following loan spells with Barnsley and SC Freiburg most recently.
Not exact matches
However, his form wasn't enough to earn a new deal at the Etihad Stadium as he was released
following his
loan spell and subsequently joined La Liga
outfit Celta Vigo.
Balotelli, 26, joined the French Ligue 1
outfit last summer on a one - year deal
following some bad spells with Liverpool and on
loan at former club AC Milan.