By Sean Walsh Erling Haaland will use Manchester City’s upcoming Champions League quarter-final with Real Madrid to ‘show his credentials for a future move’, according to reports in Spain. The striker signed for City in 2022 but has long been linked with a move to the Spanish capital either side of his 2022 transfer to the Etihad Stadium. For a third-season running – a second while Haaland’s been at the club – City have been drawn against Madrid in the Champions League knockout stages. AS report Haaland wants to use these upcoming games to prove his worth to Madrid, who are attempting to sign …