Olympique de Marseille
The details of the transfer were not disclosed, but British media said Palace paid around 12.5 million pounds ($15.96 million) for the 26-year-old.
Atalanta's Ademola Lookman, Matteo Ruggeri and El Bilal Toure all got on the scoresheet to send the Italians to their first Europa League final with a 3-0 win over Olympique de Marseille for a 4-1 aggregate victory on Thursday.
Veteran French player Patrice Evra has responded to UEFA's decision to suspend him from playing until the summer of next year for kicking a fan in the face.
