Career
He usually plays as defender. Serraj began playing football for the Raja Casablanca youth sides under manager Abdesalam Serraj, his father and former Raja player. He joined Raja"s first team in 1998, making his debut in a league match against FAR Rabat.
Looking for more playing time, he joined Chabab Mohammédia, but left the club after just two months.
He would spend the next two seasons with FUS Rabat, but after the club was relegated from the first division in 2003, he joined Wydad Casablanca.