Inter could send Radja Nainggolan to Cagliari permanently instead of paying their second instalment for Nicolo Barella, it is claimed.
Inter signed Barella from Cagliari last summer in a deal worth up to €41m, while Nainggolan returned to Sardinia on a dry loan.
As per Calciomercato.com, the Nerazzurri have paid €12m so far and owe €20-25m in the next few months.
However, the website reports that payment could be substituted by Nainggolan making a permanent transfer to Cagliari.
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