sentences:  After developing in the club's academy for two seasons, Gignac was promoted to the club's senior team for the 2004–05 Ligue 2 season by manager Christian Gourcuff.Gignac made his professional debut with Lorient on 13 August 2004, coming on as a substitute in the 78th minute with the score tied 1–1 against Châteauroux.Within seconds of coming on, he scored the winning goal to bring Lorient a 2–1 victory.