Arnautovic has managed five Premier League goals this term and provided one assist.
West Ham do not want to sell their star man but may be tempted by a big fee for the 29-year-old.
Inter Milan prepare Pogba bid
According to the Tuttosport, Inter Milan’s new CEO Beppe Marotta wants to bring Paul Pogba to the San Siro.
Marotta previously worked for Juventus when the Frenchman was at the club and has a good relationship with the midfielder.
Inter are apparently ready to let defender Milan Skriniar or Ivan Perisic go the other way as part of the deal, plus cash.
Mourinho has been keen on both players in the past, United were priced out of a move for Slovakian Skriniar in the summer.
Man Utd news: Paul Pogba was subbed vs Crystal Palace (Image: GETTY)
Man Utd news: Skriniar and Perisic could be used as sweeteners in a deal for Pogba (Image: GETTY)
Pogba has been continuously linked with a return to Juventus after a fall-out with Mourinho earlier this season that saw him stripped of the vice-captaincy.
Now the Italian giants are prepared to rival the Serie A leaders to land the World Cup winner.
£75m De Gea demand
David de Gea is currently under contract until the summer of 2019 and United could be prepared to cash in on their goalkeeper.
According to the Sun, United will trigger a one-year option on his deal and extend it until the summer of 2020.
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