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Rennes was the French club where Kamil Grosicki played. He joined the Ligue 1 side in 2014 after a successful spell with Sivasspor in Turkey. Grosicki made a significant impact at Rennes, contributing with goals and assists, and helping the team reach the Europa League round of 16 in the 2018-19 season. He left Rennes in 2020 after making over 150 appearances for the club.