Gerard Deulofeu, a former Barcelona academy player who made 12 league appearances for the senior team across two spells, blasted Ronald Koeman, a man he knows from his time at Everton.
Koeman is a former club legend and the new manager of the Catalan club.
“I can tell you about Koeman from my personal experience, and I have very little to tell you about Koeman,” he told local radio.
“He provided me absolutely nothing. I wasn’t happy, I asked to leave and I went to AC Milan.