Alonso, 25, has become the Blues’ fourth summer signing following the earlier arrivals of N’Golo Kante, Michy Batshuayi and Eduardo.
The former Bolton defender has completed a return to the Premier League with AntonioConte’s side, with Serie A side Fiorentina confirming that he has been sold Chelsea have completed the signing of defender Marcos Alonso from Fiorentina, the Italian club have confirmed.
Former Bolton Wanderers and Sunderland full-back Alonso, 25, has become the Blues’ fourth summer signing following the earlier arrivals of N’Golo Kante, Michy Batshuayi and Eduardo.