 The transfer was formally completed on 29 June when Derby agreed a compensation package with Aberdeen, speculated to be in the region of £400,000.Maguire's first start, and first goal, came on 29 October, in a 3–1 win over Portsmouth.He was subsequently praised for his patience and work ethic by first-team coach Andy Garner, having been kept out of the team by the form of fellow strikers Jamie Ward, Theo Robinson and Steve Davies.