Arsenal target Riccardo Calafiori has reportedly been asked to attend pre-season training by Bologna as the two clubs are struggling to agree on a fee for the defender.
Gunners boss Mikel Arteta is keen to bring in defensive reinforcements after finishing runners-up behind Manchester City for the second consecutive Premier League season.
The north London side have identified Calafiori as one of their top defensive candidates and have been attempting to push through a deal before their pre-season tour of the USA begins next week.
However, negotiations with Bologna are at a standstill over an £8.