The 25-year-old was at the centre of a protracted transfer saga in the summer window, as Erik ten Hag was determined to reunite with his ex-Ajax starlet at Manchester United.
Barcelona were believed to have accepted a fee from the Red Devils, but De Jong refused to enter negotiations over personal terms with the 20-time English champions.
The Netherlands international's desire to stay at Camp Nou ultimately won over, but his long-term future remains unclear amid suggestions that Barcelona could sanction a major clearout in 2023.
Should Barcelona end up listening to offers for De Jong again, Man United will be expected to reignite their interest, while Liverpool have also been linked with a swoop for the midfield maestro.
