17:00 13 Aug 2019
The Nigeria international joins the French Ligue 1 club, having failed to play a single game for Everton.
Onyekuru joined the Toffees from KAS Eupen two years ago, but spent the last two seasons out on-loan at Anderlecht and Galatasaray respectively.
The Super Eagles winger scored 14 goals in 31 Turkish Super Lig appearances last season, helping the Istanbul giants to league glory.
Read more: Lille sign Yazici for club record fee
Relive some of his best moment for Galatasaray right here.