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Ruben Vargas made 54 appearances for FC Luzern. He played for the Swiss club from 2017 to 2019, before moving to FC Augsburg in the Bundesliga. During his time at Luzern, Vargas established himself as a key player, making significant contributions to the team's success. He was known for his attacking prowess, scoring 11 goals and providing 13 assists in his 54 appearances.