The Dakar-born midfielder came through the ranks at Diambars before signing for Lille in 2008. In the north of France, Idrissa caught the eyes of his coaches with his first outing for the Reserve team. He plied his trade with LOSC from 2010, picking up experience in Ligue 1 and European football.
Five years later, Gana headed to England. Aston Villa and then Everton made the most of his lively nature in midfield. An enriching experience on the other side of the Channel before signing in the capital in 2019.