Ole Gunnar Solskjaer has admitted that Juan Mata's future at Manchester United remains uncertain.
Mata's contract at Old Trafford expires in June although United do have the option to extend it for a further year.
The 32-year-old midfielder has made 10 appearances this season with only four starts coming in the Premier League.
With the arrival of Donny van de Beek, Mata has found himself way down the pecking order and hasn't featured in any of United's last four league games despite being on the bench.
Solskjaer hasn't confirmed Mata will leave in the summer but has said it is difficult to fit him into his plans.
He said: 'The decision is very difficult every time with Juan. You know he's got the quality. If he plays, he scores goals, he's contributed this season.
'Then again, we've had other players who have taken his role as well - Mason [Greenwood] has done well in that position, Paul [Pogba] now, and Juan really contributes in and around the group.
'So it's one of those that I have discussions with all the time, it's difficult to leave him out but unfortunately that's where it is at the moment, so no decision has been made there yet.'
Mata's options away from Manchester include a possible return to Valencia, where he played for four years before moving to Chelsea in 2011, or a move to the Middle East or China.