 At fifteen, he moved into a dormitory at Feyenoord, remaining there at weekends when his peers returned to their families in other parts of the Netherlands.De Guzmán was not allowed to play for Feyenoord's first team before he was 18 years old.On 15 September 2005, three days after turning 18, de Guzmán was part of Feyenoord's first team squad for the first time.