Transfer Talk Daily Update: Diego Costa, Ashley Cole, Demarai Gray

Just three weeks remain before the transfer window reopens and the rumour mill is gradually picking up pace ahead of January.

Below, Sports Mole gathers all the latest news and reports from across the globe.

Saturday morning's headlines:

Chelsea striker Diego Costa hints at future return to Atletico Madrid? Chelsea striker Diego Costa says "you never know" when asked if he could follow Filipe Luis's lead and return to Atletico Madrid. Read more.

Remi Garde admits Aston Villa interest in Ashley Cole Aston Villa manager Remi Garde reveals that the club could sign former Arsenal and Chelsea full-back Ashley Cole from Roma in January. Read more.

Report: Southampton show interest in signing Demarai Gray Southampton become the latest side to be linked with a move for Birmingham City winger Demarai Gray, who is thought to be valued in the region of £4m. Read more.

Paul Lambert rules out Darragh Lenihan loan move Young midfielder Darragh Lenihan will not be leaving Blackburn Rovers on loan in the new year, according to manager Paul Lambert. Read more.