Open Extended ReactionsThe transfer window is open across Europe, and business is starting to get done. Manchester City are hoping for a quiet end to the transfer window, but it might not work out like that. Belgium allows transfers within the country for an extra week after the international transfer window closes, meaning Yow could move to another Pro League side. - Atlético Madrid are still in the market for a dribbling wide forward, sources told ESPN, although some at the club aren't optimistic about getting a deal done for the right player. - Nottingham Forest are finalizing a €30m deal for Stade Rennais striker Arnaud Kalimuendo, sources have told ESPN.