Barcelona are inviting offers for Alex Song ahead of next month's market.
Both the Gunners and United have been waiting to see if the Cameroon international would be made available for a transfer and according to reports in Spain the La Liga champions are willing to let him leave the club if they receive a £10m offer.
"I do not know what will happen in the future," he said.
"But it is true that I spent some fantastic seasons there [at Arsenal].
"We will see what happens, but for now I'm a Barcelona player."
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