sentences:  After nearly four seasons, Royle left the club and in June 2006, Sheepshanks appointed former Ipswich player Jim Magilton as the manager of the team.Magilton was sacked nearly three years later after failing to lead the club to either play-offs or promotion.He was succeeded by Roy Keane, who had managed Sunderland to the Championship title two years previously, who became only the club's 13th full-time manager during their 74-year professional status.