Le Gall was a member of the youth setup at AC Le Havre, and later with Brest, before signing his first professional contract with Brest in 2007.
He made 24 appearances, and scored 2 goals, for Brest in his three years with the club, before moving to Canada.
In the summer of 2010 Le Gall signed with the Montreal Impact of USSF Division 2 Professional League, along with his compatriot Richard Pelletier.
He made his debut for Impact on August 21, 2010, in a 5–0 win over Crystal Palace Baltimore,[1] and scored his first goal for his new team on October 3, in a 2–0 win over the Austin Aztex on the last day of the 2010 USSFD2 regular season.
This biographical article related to association football in France, about a forward born in the 1980s, is a stub.