Answer
Mathieu Valbuena joined Marseille prior to the 2006-07 season. He was previously a member of Lyon, where he had played since 2001. Valbuena was a key player for Marseille during his time there, and helped the team to win the Ligue 1 title in 2010. He also represented France at the international level, and was part of the team that won the 2018 World Cup.