Career
De Blasiis, a midfielder, began his career with his hometown club Football Club Girondins de Bordeaux before moving to Master of Science Caen and then Red Star Paris. In the summer of 1999, Norwich City manager Bruce Rioch signed him on a Bosman free transfer. After a promising start, his spell at Norwich was wrecked by a cruciate ligament injury and the club released him the summer of 2001.
He returned to France where he played for his former club Bordeaux and Football Club Istres.
He is now part of the coaching staff at Bordeaux.