 Included in this was a strike in Valletta's 3–0 defeat of former club Sliema Wanderers on 29 April, to secure his side's 21st national championship.On 3 July 2012, he scored four goals in an 8–0 defeat of Lusitanos in the first qualifying round of the Champions League.Mifsud left the club in June 2013 to seek a move abroad.