 Soon after, Mellis suffered a dead leg that kept him out for month.After a month on the sidelined, Mellis made his first team return, where he came on as a substitute for Jim O'Brien, in a 2–0 win over Leeds United on 12 January 2013.Following his return, Mellis went on to score three more goals against Wolves, Sheffield Wednesday and Hull City (which later awarded 2012–13 Goal of the Season award).