By Michael Graham Liverpool have been handed a fresh blow with the news that Luis Diaz will be out until December with a knee injury. The Colombian left the Emirates on crutches following the Reds’ 3-2 defeat to Arsenal last week, with Jurgen Klopp immediately speculating that the injury could a serious one. Fortunately, it appears to be less serious than first feared and he will not need surgery, although his World Cup participation with Colombia is also now in serious doubt. Diaz will miss Liverpool’s next ten matches before the World Cup break, starting with their Champions League clash wit…