According to multiple reports, Dortmund are in formal negotiations with Barcelona over the signing of Hector Fort. The defender has been a target for some time, and talks are said to be intensifying as the window progresses. The player remains under contract, but movement looks increasingly likely the longer talks go on. Dortmund have laid out their intentions, but valuation and timing remain under debate. Elche, Everton and West Ham are keeping tabs in case talks collapse or progress slows further. The arrival of Hector Fort would give Dortmund added depth and flexibility across the pitch. Alongside this, Barcelona are said to be exploring Natan, A. Ounahi and Vangelis Pavlidis with Dortmund likewise connected to Elias Niklas Baum and Ethan Nwaneri. More on this story as it develops. Need more Dortmund transfer rumours? Follow @PlayerSwitchCom on Twitter for up-to-the-minute news from Dortmund.