Anfield's long goodbye to Jurgen Klopp began with a comfortable 5-2 FA Cup fourth round victory over Norwich City.The Liverpool boss, who on Friday announced his departure at the end of the season, sat in contemplative mood as the Kop belted out 'You’ll Never Walk Alone’ before kick-off.It was followed up in the first minute by a rendition of ‘I’m so glad that Jurgen is a Red’ but the German will have been pleased the focus swung to on the pitch action immediately afterwards as, with the battle continuing on four fronts, there is plenty of football still to play.Klopp does not want his final four months to be an indulgent love-in and his players got the message as they saw off their spirited Championship opponents – managed by Klopp’s good friend David Wagner – with clinical professionalism after a minor blip.Curtis Jones’ fifth goal in as many home games – marking the best goalscoring season of his career – and Darwin Nunez’s third in his last three were eclipsed by the quality of Diogo Jota’s volley for the third.Headers from Virgil van Dijk and Ryan Gravenberch kick-started the first of what is likely to be many parties at Anfield.The visitors were under pressure from the off with Joe Gomez having a shot deflected wide and Nunez curling a shot against the post after Jack Stacey lost possession.Jones broke the deadlock when he headed home a deep cross to the far post by 19-year-old James McConnell, making his full debut in central midfield.The teenager celebrated by simply raising both arms in the air but the biggest compliment you could pay him was that he did not look out of place in a much-changed team whose bench included Van Dijk, Luis Diaz, Dominik Szoboszlai, Andy Robertson, Trent Alexander-Arnold and Harvey