Sky Sport Italia are confident Michu will complete his move from Swansea to Napoli within hours.
The striker is due to arrive on loan with an option to buy for €10m (£8m).
The basic deal has been done for some time, but the Italian sources claim the only sticking points are red tape and image rights.
There had been reports Swansea wanted Federico Fernandez as part of the exchange, but Napoli have no intention of releasing the centre-back.
Fernandez’s Argentina will face Germany in the World Cup Final this evening.