Sébastien Mathieu Corchia is a French right-back who made his professional debut with Le Mans in 2009 and went on to play for Sochaux and Lille, earning a France cap, before joining Sevilla in 2017 for 7.5 million euros. On 19 August 2018 he joined Benfica on a season-long loan from Sevilla, debuting on 18 October 2018 in a 3-0 Taça de Portugal away win and also turning out for the B team. He returned to Sevilla in 2019, was loaned to Espanyol that August and later signed for Nantes.