Juve want to bring the former Udinese star back to Italy this summer. However, it is Alexis' £500,000-a-week United wages which are proving a stumbling block.
Italian transfer expert Ciro Venerato made the revelation on RAI Sport.
"Juve likes Sanchez, but the problem in this is economic: he earns €20 million net per season," he stated.
"But the dialogue with Manchester United continues - and also for other players.