Jamie Redknapp was delighted by the impact of one Liverpool substitute against Fulham this evening. The Reds came from behind in tonight’s Carabao Cup semi-final first-leg to win 2-1. After a tepid first-half, Liverpool were far better after the break. He may not have scored, but Darwin Nunez was perhaps the key to that turnaround. And speaking on Sky Sports immediately after the game, former Reds captain Redknapp praised Nunez’s impact. “He was a real difference Nunez,” raved the pundit. “He came and gave them energy. That’s exactly what they needed. “His movement was so good. He gave Fulham …