Career
Jansen made his professional debut for Excelsior on 5 August 2011, as he replaced Oost in the 79th minute of the Eredivisie home match against Feyenoord (0-2).
Jansen made his professional debut for Excelsior on 5 August 2011, as he replaced Oost in the 79th minute of the Eredivisie home match against Feyenoord (0-2).