PARIS, Nov 10 (Reuters) - Second-placed Nancy missed the chance to keep the pressure on the leaders when they were held to a goalless draw at Paris St Germain in Ligue 1 on Saturday.
The Lorraine side, with 28 points from 13 games after a disappointing performance, are three points behind Olympique Lyon, who host struggling Olympique Marseille on Sunday.
Paris St Germain, who are still chasing their first home victory in the league, are 13th with 16 points from 14 games.
Valenciennes moved up to sixth on 21 points after Filip Sebo's first-half double and a Steve Savidan goal on the hour earned a 3-0 win against promoted Caen.
Earlier on Saturday, Tulio scored two penalties to help Le Mans come from behind to beat St Etienne 3-2 despite playing with 10 men for more than an hour.
Le Mans leapfrogged Girondins Bordeaux to move into fourth place with 23 points from 14 games while St Etienne, who lost 3-2 at RC Lens last weekend after leading 2-0, dropped to 10th with 18 points.
Le Mans midfielder Stephane Sessegnon was shown a straight red card for a dangerous tackle on Dimitri Payet in the 27th minute but his side attacked throughout and wrapped up victory after 70 minutes when Brazilian Tulio scored his second penalty.
Monaco climbed three places to seventh when a goal by Serge Gakpe and a Nene double gave the principality team a 3-0 victory over Racing Strasbourg.
RC Lens pulled away from the relegation zone after a late Seidi Khiter goal earned a 2-1 win at bottom club Metz.
The northeners, who had not won away in the league this season, are 15th with 15 points from 13 games, two points above 18th-placed Sochaux who were held to a 1-1 home draw by AJ Auxerre and have played a game more than Lens.