Back in May 2013 , he scored a hat - trick for the Rotterdam club to help them clinch the Dutch youth title .
Like another Dutchman who went on to ply his trade with Arsenal , Robin van Persie , Janssen began his career with Feyenoord .
Back in May 2013 , Janssen scored a hat - trick for the Rotterdam Feyenoord to help Feyenoord clinch the Dutchman youth title .
Like another Dutchman who went on to ply his trade with Arsenal , Robin van Persie , Janssen began his career with Feyenoord .