Kammala wannan jumla: Müller ya fara ne don ASK Vorwärts Oberhof da BSR "Rennsteig" Oberhof. A lokacin aikinsa, ya lashe lambobin yabo 14 a Gasar Cin Kofin Duniya ta FIL, gami da zinare huɗu (Mutum daya: 2000, Mixed team: 1990, 1991, 1995), azurfa bakwai (Mutum daya: 1987, 1989, 1999; Mixed team: 1989,
1996, 1997, 2000), da tagulla guda uku (Maza masu zaman kansu: 1985, 1990, 1996).