Brazil has been dealt a blow in preparation for this summer's FIBA Americas Championship with news that big man Nene will not be part of the team.

According to the Brazilian Basketball Confederation (CBB), Nene on Friday asked to be released from the national team citing personal and contractual reasons.

The FIBA Americas Championship takes place in Mar del Plata, Argentina, from 30 August to 11 September. The top two teams qualify automatically for the London Olympics.