Manchester United returned for pre-season training on July 8 and more Premier League clubs will be doing the same this week. While it is normal practice, in the silly season of transfers, it is worth keeping an eye out on potential transfer targets as it can often give a clue about where they stand with their contracted club. For example, it was recently reported that Sofyan Amrabat has been omitted from Fiorentina’s pre-season planning amid his links to United after a mixed loan spell ended happily. Other targets like Matthijs de Ligt, Joshua Zirkzee, and Manuel Ugarte are all still on intern…