 He started the next two matches, but these were to be his last games for the club before joining Nancy on loan for the 2003–04 season.After playing 27 games in Ligue 2 that season, Puygrenier spent a further season on loan at Nancy, with 20 appearances as the club won promotion.League rules prevented him from staying on loan at a rival Ligue 1 club so he was signed permanently in 2005.