Manchester City are unconcerned by FIFA's investigation into the transfer of Eliaquim Mangala.

City's £42million capture of Mangala is being investigated by FIFA as the Frenchman was part-owned by FC Porto and part by investment companies Doyen Sports and Robi Plus when he made the move to the Etihad Stadium in the summer of 2014.

The controversy of the move stems from the fact that Porto allowed Doyen Sports to directly negotiate the terms of the deal with City, which goes against FIFA regulations.

As a result Porto could face a transfer ban if found guilty but reports suggests City are unconcerned by the probe from FIFA as the Premier League side are confident that they have done nothing wrong.