Defending champion Bordeaux moved back to the top of the French league by beating Le Mans 3-0 on Saturday, while Lyon slumped to a second consecutive league defeat with a surprising 4-1 loss at struggling Nice. Bordeaux, which had lost its two previous league games, has 22 points, one more than Monaco. Promoted Montpellier was at Rennes, which had the best defensive record with six goals conceded, later Saturday with a possibility of being alone in first place. Lyon, which won at Liverpool in the Champions League in midweek, fell to fourth place with 20 points after its worst loss since a 5-2 defeat at Barcelona in the first knockout stage in last season's Champions League. After a good opening spell, Nice broke the deadlock in the 17th when Mamadou Bagayoko got the better of Lyon defender Cris in the area and headed home from Loic Remy's cross. Lyon had most of the possession, but Nice doubled the lead when Aly Cissokho scored an own-goal in the 39th. Remy ran down the right flank and delivered a low cross that was deflected in by the Lyon defender past goalkeeper Remi Vercoutre. Nice midfielder David Hellebuyck slotted home in the 69th with an angled shot, and Remy completed the rout in the 74th. Ederson salvaged some pride for Lyon with a consolation goal in the 82nd. Nice climbed from second last to 14th with 11 points. Following its 2-1 win over Bayern Munich in the Champions League, Bordeaux took the lead when Le Mans goalkeeper Didier Ovono scored an own-goal in the fourth minute. Yoan Gouffran's strike hit the post and then Ovono before crossing the line. Bordeaux striker Marouane Chamakh found the net for the first time since Aug. 15 with a powerful header from a corner in the 67th, and David Bellion scored from close range in the 83rd after being left unmarked in the box. Monaco rose to second place with a 3-1 win at promoted Boulogne, and Sochaux claimed its third consecutive win by beating Lorient 1-0 to move to eighth. Sochaux defender Damien Perquis' seventh-minute header from a free kick beat goalkeeper Fabien Audard. Goals from Johan Audel and David Ducourtioux gave Valenciennes a 2-0 win at Saint-Etienne, and last-place Grenoble lost its 10th consecutive game with a 2-1 home loss to Nancy. On Sunday, Marseille will host fierce rival Paris Saint-Germain, which will be without some players due to swine flu after being diagnosed Saturday. The club didn't reveal the players' identities, but RTL radio said they are midfielder Ludovic Giuly and defender Mamadou Sakho. Marseille trails Bordeaux by five points, while PSG lags well behind in 11th place after three draws and two losses in its last five games. In Sunday's other matches, Lens hosts Toulouse and Lille is at Auxerre. 