A total of 20 teams competed in the league with three clubs suffering relegation to the second division, Ligue 2.
All clubs that secured Ligue 1 status for this season were subject to approval by the DNCG before becoming eligible to participate.
[4][5] In addition, German sportswear company Puma became the official provider of match balls for the season after agreeing to a long term partnership with the Ligue de Football Professionnel.
On 5 May 2010, Marseille defeated Rennes 3–1 to claim their 9th Ligue 1 title and their first since the 1991–92 season.
Source: AFFLUENCES Par Club Mamadou Niang won the Trophée du Meilleur Buteur.