He played for FC Utrecht, Ajax Amsterdam, Vitesse Arnhem, Sparta Rotterdam, and Cambuur Leeuwarden in the Eredivisie.
[1] Since 2004, Alflen has been co-presenter of the TV program Namen & Rugnummer on RTV Utrecht.
On 25 March 2015 FC Utrecht said that coach Alflen and his advisor Co Adriaanse would step down from their roles with the Dutch club at the end of the season.
[5][6] On 16 April 2018, it was announced that Alflen would take over as the head coach of Helmond Sport on a two-year contract starting next season.
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