MELBOURNE, AUSTRALIA - MARCH 21: Paul Roos the coach of the Demons talks to his players during a Melbourne Demons AFL training session at Gosch's Paddock on March 21, 2016 in Melbourne, Australia. (Photo by Quinn Rooney/Getty Images)

Young Melbourne ruckman Mitch King will miss the rest of the season after scans confirmed he has ruptured his ACL.

The 19-year-old suffered the injury during the first quarter of the Casey Scorpion’s 144-point win over Frankston on Saturday.

King was selected by the Demons with pick No.42 in last year’s National Draft.

He joins Chris Dawes, Ben Newton and Jake Spencer on the Demons’ injury list.