 Complete the following phrase:  After playing in youth teams, Drogba made his professional debut aged 18 for Ligue 2 club Le Mans, and signed his first professional contract aged 21. After finishing the 200203 season with 17 goals in 34 appearances for Ligue 1 side Guingamp, he moved to Olympique de Marseille, where he finished as the third highest scorer in the 200304 season with 19 goals and helped the club reach the 