Borussia Dortmund yesterday challenged Arsenal to raise their bid for the unsettled Pierre-Emerick Aubameyang and signalled that unless an asking price of close to £60m is met, they and the player will patch up a fractured relationship and he will return his focus to his Dortmund career until at least the summer.

The Bundesliga club backed up their firm position by picking Aubameyang in their starting line-up yesterday against Freiburg, after two weeks outside the matchday squad and several days in which the club had been negotiating his possible sale.

Shortly after Aubameyang was named in the XI for the 2-2 draw against Freiburg, Dortmund’s director of football Michael Zorc told Sky Sports Germany: “We are aware of the transfer interest, but we have a