By Graeme Bailey Chelsea have not given up hope of bringing their top January target Enzo Fernandez to Stamford Bridge before the transfer window closes on Tuesday, sources have confirmed to 90min. Chelsea made a bid for Fernandez earlier in the window. However, despite lengthy talks a deal could not be struck and Benfica pulled away from the negotiations. We confirmed earlier this month that the lines of communication between those involved in talks were not dead. Indeed, 90min also revealed that Benfica were expecting Chelsea to make a renewed attempt to sign the player, and that is exactly …