 Nyorai kupfuurira kweiyi ndima - Müller akatanga nokuda kweASK Vorwärts Oberhof uye BSR Rennsteig Oberhof. Munguva yebasa rake, akahwina menduru gumi nemana paFIL World Luge Championships, kusanganisira ndarama ina Varume vega: 2000, Chikwata chakasanganiswa: 1990, 1991, 1995, sirivheri nomwe Varume vega: 1987, 1989, 1999; Chikwata chakasanganiswa: 1989, 1996, 1997, 2000, uye nendarira nhatu Mens singles: 1985, 1990, 1996. 