France midfielder Benoit Pedretti has joined Lyon from Marseille, the French champions have confirmed.
The 24-year-old has signed in a deal believed to be worth €7m.
New Lyon boss Gerard Houllier is a big admirer of Pedretti and made his signing one of his chief goals when taking over at Stade Gerland.
Pedretti has won 22 caps and was a member of their 2003 Confederations Cup-winning team.