Bild newspaper are reporting that Manchester City have reached agreement on a fee for Wolfsburg's Belgian international attacking midfielder Kevin de Bruyne, reports Sky Sports.
The highly-rated 24-year-old is reportedly on his way to Manchester for a fee believed to be 70m euros (£50.4m).
However, the reports in Germany added that De Bruyne trained with his current club on Friday morning and is in their squad for the Bundesliga match at Cologne on Saturday.
Manchester City boss Manuel Pellegrini was asked about the potential deal on Friday but refused to be drawn.
"I don't talk about rumours," he said. "I have to talk about so many players, it is impossible. When things are finished, then I can talk about them.
"The window closes on 1 September. Before that, nobody knows what happens."