He currently plays for AJ Auxerre U14, wearing the number 12 shirt. He plays primarily as a Midfield.

Across 5 appearances in the Hangzhou "Qianchao Cup" International Youth Football Invitational Tournament 2025, Mathis Darrel Seaton Saint-leger registered 0 goals and 0 assists, while completing 0 key passes out of 0 total passes with a passing accuracy of -.