Mezue ahịrịokwu na-esonụ: Na FIL European Luge Championships, Müller meriri nrite asatọ. Nke a gụnyere ọla edo ise (Ndị nwoke na-alụbeghị di: 1996, 2000; Mixed team: 1990,
1996, 1998), ọlaọcha abụọ (Ndị nwoke: 1986; Mixed team: 1988), na otu ọla (Ndị nwoke: 1990). Na Luge World Cup, Müller kacha mma n'ozuzu ya na ụmụ nwoke na-abụ nke abụọ ugboro atọ (1988-9, 1996-7, 1999-2000).