Sochaux signed Ghanaian goalkeeper Lawrence Ati-Zigi to replace Christopher Dilo.
The French 2 side announced the signing of the young glovesman on a three a three-year deal on Monday.
Dilo, 23, left the club at the end of last season after refusing to extend his contract.
The club quickly moved in for the Ghanaian who is keen to get his career back on track.