By Matthew Cooper Jamie Carragher has revealed Gary Neville jokingly told him Liverpool will be “f***ed for another 30 years” once Jurgen Klopp leaves the club. Klopp announced last week that he would be stepping down as Liverpool manager at the end of the season and Manchester United legend Neville could not resist taking a dig at his Sky Sports colleague and ex-Reds defender Carragher as soon as he heard the news. “I wake up and I get the Klopp news,” Carragher said on the Stick to Football podcast. “[Neville] then text me saying he’s in the same place skiing. I was like oh no. Can I read yo…