Pedzisa mutsara unotevera: Akatamba mitambo 305 yeIK Sleipner uye akarova zvibodzwa 152 ndokuva shasha yeSweden nekirabhu muna 1938. Munyika yose akaonekwa mu
Makwikwi eWorld Cup a1934 na1938. Keller akanga ariwo mutambi anofarira webandy, tenesi yepafura uye bowling.