The 20-year-old, who cost £20m, is yet to get off the mark for his new club.

City have also made a "substantial offer" for PSG midfielder Claudio Gomes, with L'Equipe claiming that the player has yet to respond.

The 17-year-old central midfielder is one of France's most exciting young talents, with City eager to assemble an elite collection of players at the youth level as well as on the senior team.