Jurgen Klopp has detailed the importance of the rivalry between Liverpool and Manchester United ahead of Sunday's clash.The two teams meet at Anfield in what the Reds' boss describes as a "special game". "In a moment when Liverpool vs United is not a special game anymore, then something went really wrong," he said. "I love football, I love the fuss we make of it... Liverpool vs United, I want to see that." Klopp added that when the two clubs clash it is - and has always been - "a big game".