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Brazilian club Gremio have said they will file a legal complaint with FIFA against Barcelona over the Spanish outfit's dealings with talented youngster Manu.
According to Brazilian daily Correio do Povo (h/t Marca), 11-year-old Manu was given permission by Gremio to visit Barca's famed La Masia academy but hasn't returned to Brazil before the date previously agreed.
Gremio legal director Nestor Hein hinted Barca will now likely sign the youngster and threatened to open legal proceedings against the Catalan club, per GloboEsporte (via Marca): "Barcelona have done this other times.