Karlsruher SC
Born in Karlsruhe, Germany, Wellenreuther played for various youth teams, starting with SC Bulach, SVK Beiertheim, SpVgg Durlach-Aue, Astoria Walldorf and Karlsruher SC. It was announced in March 2013 that Wellenreuther joined Schalke 04 in 2013 from Karlsruher SC.