I agree,he looks a lot bigger but havent found a site to say otherwise.My original post should have been on match thread
Another site description - "Kjartan Már Kjartansson hails from the cold climes of Iceland, born on the 14th of July, 2006. Now 19 years of age, Kjartansson holds the fort in the midfield, operating mainly as a central defensive midfielder for Aberdeen. At a height of 5 feet 8 inches (approximately 1.75 metres), and a lean and mean weight of 11 stone (approximately 70kg), he is a prominent figure on the pitch, donned in the number 29 jersey."