The 22-year old France international was banned by his club for breaking a curfew on international duty, but returned in a defensive role on Tuesday night, as Rennes saw off AC Arles-Avignon 2-1 in the Coupe de la Ligue.
"It is not easy for him," he told RMC Sport. "He brought us a lot of simplicity and efficiency in a position unusual for him, and although he made a mistake, I thought Yann played excellently."
He added, "I hope he understands that Stade Rennais was proud of him, he must find that pride through his performance, he must become the great Yann M'Vila."
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