Faatumu le fuaiupu lenei: Na amata Müller mo le ASK Vorwärts Oberhof ma le BSR "Rennsteig" Oberhof. I le taimi o lana galuega, na ia manumalo ai i pine e 14 i le FIL World Luge Championships, e aofia ai le fa auro (Men's singles: 2000, Mixed team: 1990, 1991, 1995), fitu siliva (Men's singles: 1987,
1989, 1999; Vaega fefiloi: 1989, 1996, 1997, 2000), ma le tolu apamemea (Tagata nofofua: 1985, 1990, 1996).