Balotelli signed for Nice on deadline day.
“At the end of the day the Liverpool directors admitted Klopp was unfair," Raiola told La Gazzetta dello Sport.
“I won't judge him as a Coach, even if for me he isn't a great tactician, but I don't think he realised we were talking about a person. Mario was exemplary, he never complained even when training alone.
“It's not enough to say Klopp was unfair: he was a piece of ****"