Jurgen Klopp’s Liverpool have been playing well in recent weeks despite the injury problems, and one particular player has stood out. While Caoimhin Kelleher could have probably done better for Manchester United winger Adam Diallo’s winner in the FA Cup quarter-final tie on Sunday, the Republic of Ireland international goalkeeper has done well for Liverpool overall. Alisson is a world-class goalkeeper, but Liverpool are not missing the injured Brazil international. Kelleher has been that good. He was arguably the Reds’ best player in the Carabao Cup final against Chelsea. Former Manchester Uni…