 Nyora kupfuurira kweiyi ndima - Mushure mekurega basa, Sammer akazova murairidzi mukuru weBorussia Dortmund musi wa1 Chikunguru 2000. Sammer akatungamirira Borussia Dortmund kune imwe zita reBundesliga muna 2002. Chikwata chake chakasvika kumagumo e2001-02 UEFA Cupgore rimwe chetero asi vakarasikirwa 23 vachirwa naFeyenoord. Sammer akadzingwa pakupera kwemwaka wa2003-04 mushure mekunge Dortmund yapedza iri pachinhanho chechitanhatu. 