Chelsea manager Jose Mourinho has admitted that the "club's door is open" for Juan Mata, should the Spaniard decide to make a move away from the west London side.

The Europa League winners registered a 3-0 win over Southampton at St Mary's Stadium on New Year. The 25-year-old started against the Saints on Wednesday, but was replaced by Oscar seven minutes into the start of the second half.

Mata was furious after being replaced by Mourinho and the former Real Madrid manager insisted that the Spaniard was frustrated with Chelsea's result. His compatriot Fernando Torres opened the scoring for the Blues on an hour mark before Willian and Oscar's goals saw the west London club seal a comfortable victory.

"I want to keep him. I want to keep him. I don't want him to go, that's my wish. But my door is open, the club's door is open too so when a player wants to sit with us, we are there waiting - waiting for them," Mourinho explained.

"But if you ask me: 'Do I want the club to sell him?' I don't want to so it never starts from us, the desire to move a player that we like. I think his frustration was because of the result. Because he knew we had to win."

"If we don't win this game the difference to the leaders is bigger so I think his frustration is about this because after the game everyone, including him, was happy in the dressing room and everyone was celebrating. So, for me, I have to believe that the frustration was because of the result," he added.

Mata has been Chelsea's star player for the last two seasons, winning the Player of the Season for two years in a row. However, the former Valencia midfielder has failed to replicate his last two seasons' form as he has scored only once in all competitions this term.

The Mirror claims that Manchester United manager David Moyes could make an approach for Mata's services in January. The same report also claims that the Premier League champions will face competition from Serie A outfit as Inter Milan are also in the race for his signature.