Answer
Lucas Barrios began his professional career in 2002 with Club Atlético Tigre. He made his debut on May 4, 2002, in a 1–0 defeat against Deportivo Español. He scored his first goal on July 14, 2002, in a 2–0 victory against Racing Club. He played for Tigre for two seasons, before moving to Borussia Dortmund in 2004.