The Red Devils have been linked with a host of players throughout the summer window as the Portuguese coach prepares for his second season in charge at Old Trafford.
Manchester United have so far only concluded deals to sign both defender Victor Lindelof and striker Romelu Lukaku this summer as Mourinho prepares for the new campaign.
However, their lack of activity has not stopped the Red Devils from being linked with a whole host of other names, including the likes of Ivan Perisic, Fabinho and Serge Aurier, in recent weeks.
With the new Premier League season now less than a month away, Mourinho was asked about his remaining plans for the window, and specifically, which position he is looking to strengthen.
However, he gave little away when quizzed about his remaining transfer plans at a news conference in Houston on Thursday night.
Asked which positions he is looking to strengthen this summer, Mourinho replied: “I don’t tell you. I am sorry.”
Manchester United finished sixth in the Premier League table but won the Europa League last term to secure a return to the Champions League next season.
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