Karl Toko Ekambi has joined Lyon from Villarreal on a permanent deal that could rise to €15.5million.
Sylvinho believes Memphis Depay's return could give Lyon an advantage over Juventus.
Victor Osimhen has enjoyed an impressive debut season with Lille, leading to the Ligue 1 club receiving offers for the forward.
Andre Villas-Boas is to remain at Marseille for next season, and Dimitri Payet says the coach "had all the support from the locker room".
Eduardo Camavinga is linked with Real Madrid, but the Rennes president ruled out an exit for the midfielder.
Paris Saint-Germain fell behind at Lyon but hit back impressively, scoring four second-half goals to knock out their Ligue 1 rivals.