Rubin Kazan winger Wakaso Mubarak is undergoing a medical in Russia ahead of a possible loan move to Celtic.
Espanyol have rejected a bid from an unnamed 'European club' for Ghana international Wakaso.
Swansea chairman Huw Jenkins has claimed that he has started talks with Liverpool in a bid to sign Jonjo Shelvey.
Espanyol midfielder Mubarak Wakaso is flattered by reports linking him with Everton and Juventus.
Espanyol have completed their third signing of the summer after Wakaso Mubarak agreed to join the club from Villarreal.