Dortmund uncover potential Nmecha replacement in Barcelona talent MarqusAccording to Mundo Deportivo, Borussia Dortmund have identified a Felix Nmecha replacement, should the midfielder leave.The report understands that Dortmund is seriously considering signing the talented Tommy Marqus from FC Barcelona.The 19-year-old has limited playing time under Hansi Flick due to the high level of competition in the La Liga champions' midfield.Furthermore, the seemingly impending signing of Rodri from Manchester City only further exacerbates his situation.Unsurprisingly, the youngster is open to a transfer, and according to the report, Sporting Braga are currently in pole position.Meanwhile, Manchester City also want to sign the Spaniard, who played two games for Bara last season, and quickly loan him to Girona.The good relationship between the Catalans and Dortmund has been strengthened by the recent transfer of Karim Adeyemi.Bara is prepared to sell Marqus permanently but only on the condition of they can secure a buy-back option for the future.