FCフォレンダム
Born in Hoorn, van der Werff joined FC Volendam at a young age, having played for Hollandia and Always Forward. On 12 November 2008, van der Werff made his FC Volendam debut in a 1–0 victory over Ajax in a KNVB Cup third round tie, replacing Marijn Sterk in the 87th minute. On 13 November 2009, van der Werff scored his first FC Volendam goal in a 5–2 defeat against MVV, netting the equalizer.