 He made only four appearances for the Rotterdam club during the campaign and in July 2009 it was announced Erasmus would be loaned to satellite club Excelsior in the Eerste Divisie for the following season.Erasmus, together with compatriot Kamohelo Mokotjo and six other Feyenoord players were loaned to Excelsior as a result of a new partnership between the two Rotterdam-based clubs.Erasmus made his debut for Excelsior on 8 August and netted a late, headed equalizer in a 2-2 draw Telstar.