Watford's welcome first victory of the Premiership season against
Manager, Aidy Boothroyd revealed the loss of the Jamaican International during his after-match press conference on Saturday evening, and it is a bitter blow to the 26-year-old who was the Golden Boys' leading marksman last season.
King originally complained of swelling to his knee following
However, after returning to training last week King suffered a reaction leaving Boothroyd to confirm,
"I learnt of the news late last night. Marlon went in for a routine operation yesterday on his cartilage and unfortunately they found some bone had flaked away from his femur.
It's a blow, to lose such an important player and a great character.
But Marlon will be back and he will be stronger for it. He'll be in the dressing room alongside us, he will be my assistant."