Athens, Greece – Olympiacos signed Mali defensive midfielder Drissa Diakite on a free transfer from Nice on Tuesday.
Diakite, 27, joins the Greek squad on a one-year contract with an option for a second season. He played at French side Nice from 2006-12.
"I'm delighted to be in Greece and to sign for a big club like Olympiacos," said Diakite, who has 17 caps for Mali.
Olympiacos will compete in the Champions League this season and was drawn into Group B with Arsenal, Montpellier and Schalke.