Over the past few days there have been conflicting reports regarding United's interest in the Chilean international, with some speculation having suggested that talks had taken place between the Premier League club and the player's agent.
The 27-year-old had remained silent throughout the summer regarding his future, but when asked by a newspaper in his homeland about a switch to United, Vidal refused to rule out the possibility of him signing on at Old Trafford.
"I've heard the rumours but I'm not going to talk about it. I'm enjoying my holidays and when I get back to Italy I'll see what happens. I am very relaxed and all of us would like to be in one of the best teams in the world," he told La Tercera.
Meanwhile, another Chilean publication - El Mercurio - has claimed that United have asked to see Vidal's medical records amid concerns over his recent knee injury.