"Paul Pogba has added to the uncertainty over his future by refusing to rule out a move from Manchester United this summer as Alexis Sanchez admitted he has struggled to adapt to Jose Mourinho's style of play. Pogba and Sanchez have become a symbol for United's struggles during a troubling second half of the season in which the club finished without a trophy, Mourinho has clashed with or frozen out a number of players and concerns have grown about the brand of football. Mourinho said earlier this month that he thought Pogba would stay beyond the summer but the France midfielder did little to dispel the doubts over his future when he offered no assurances in an interview that he will still be a United player next season. ""You're never sure of anything,"" he told Canal+, the French television station, on Sunday. ""Contractually, it's on, yes."" Pogba delivered another below par performance in United's FA Cup final defeat to Chelsea at Wembley on Saturday and his relationship with manager Mourinho has become strained in recent months. Mourinho and Pogba's relationship has become strained Credit: Reuters He has been dropped from squads, left out of the starting XI and substituted in a series of games since the turn of the year as his form has plummeted and there have been reports that Mourinho would be willing to cash in on his club record £89 million signing if the right offer came along. Paris St-Germain are monitoring Pogba but the midfielder suggested it was unlikely he would countenance a move to the French champions. Ruling out PSG would limit Pogba's options, though, since few clubs could afford his transfer fee and wages. ""Walking on the Parc des Princes? With a club, no, for sure,"" Pogba said. ""Honestly, it doesn't appeal to me. I grew up here, my father supported Marseille and so did my mum. Paris wasn't really in my daily life."" Pogba said there were ""mental"" issues for him to deal with at United as he addressed his relationship with Mourinho. ""There were times when I wasn't playing. I was on the bench. Much has been spoken about,"" he said. ""People thought it was wrong but a coach and player don't have to be best friends. One is not forced to go to the restaurant together. I had some problems – it's mental. ""He put me on the bench, I answered on the pitch, I give my maximum every time. It made me grow in leadership. ""I had the armband with Mourinho, it was the first time in a club. It's important to me, it makes me grow up to be as a leader in the France team."" Sanchez's dismal form since his move from Arsenal in a swap deal with Henrikh Mkhitaryan has been no less of a concern for United supporters. The Chile forward, who has scored three goals in 18 games for United, said in March that he had been left ""psychologically and emotionally exhausted"" by his early struggles at Old Trafford and he has now admitted he is finding it hard to adapt. United have been criticised for their functional, pedestrian football. Hit or miss? 
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