Arthur is the only option. Juventus position regarding Miralem Pjanic's potential transfer to Barcelona is clear, they will only accept the 23 year old Brazilian in return since he's considered the ideal reinforcement for Sarri's midfield, but there numerous uncertainties: starting with the fact Arthur has yet to give his approval for the transfer, which at this time is on standby.
According to recent reports, Pjanic would join Barcelona only if Arthur is included, which excludes other other options like Semedo at this time. There are still potential deals with Paris St Germain who area ahead of Chelsea with players involved in the potential negotiations.
