Dybala looks set to leave the Sicilian club in the near future and the Premier League trio are all said to be monitoring the situation closely.
And while Palermo president Mauro Zamparini is coming to terms with the fact that his star player is likely to move on, he has suggested that it may not be for England.
"There has not been any contact with Napoli but it is true that Marotta has been in touch for Juventus," he told Tuttosport.
"He told me that Juventus will be right there if we decide to sell Dybala. They are very much interested in signing him and are ready to open talks.
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I told him that I would be more than happy to sell Paulo to Juventus if possible.
"I told him that I would be more than happy to sell Paulo to Juventus if possible. I would actually prefer for him to stay in Italy.
"I know Marotta, though, so I immediately made it clear that I will not give him a discount. We all know what happened with [Javier] Pastore."
Pastore had looked bound for Juventus back in 2011, but the Turin giants refused to match the offer on the table from PSG, where the player eventually ended up.
And it seems that United, Arsenal and Liverpool will now have make an offer that Juve are unable to match if they want to beat the Serie A club to Dybala in the summer.