Multiple sources are reporting that Dortmund have added Quinten Timber as one of their top transfer targets. The Feyenoord midfielder is rumoured to be attracting attention ahead of the next transfer window, with insiders claiming preliminary talks could soon take place. Dortmund are still pushing to finalise terms. However, Leverkusen and West Ham are still watching closely and may return with offers of their own. Dortmund look balanced this season - 1.6 goals scored and 0.7 goals conceded per game. Quinten Timber would be expected to bring control and consistency to help push them to another level. Dortmund have recently been linked with Juan Cruz Meza and Jadon Sancho while Feyenoord have had no rumoured targets. More on this story as it develops. Need more Dortmund transfer rumours? Follow @PlayerSwitchCom on Twitter for up-to-the-minute news from Dortmund.