Rubuta ci gaba don wannan sakin layi - Don &lt;a href="1991%E2%80%9392_SM-liiga_season"&gt; kakar wasa ta 1991/92&lt;/a&gt; Ketterer ya koma Jokerit Helsinki, wanda a halin yanzu ya koma SM-liiga. Tare da Jokerit, ya zama zakara nan da nan, wanda ke nufin mai tsaron gidan ya lashe gasar zakarun Turai ta huɗu a jere. Daga baya, ƙungiyoyi a Arewacin Amurka sun san shi kuma an zaɓe shi a cikin 1992 NHL Entry Draft
a zagaye na biyar a matsayin jimillar 'yan wasa 107 daga Buffalo Sabers. Da farko, duk da haka, dan wasan ya kasance tare da Jokerit kuma a 1993 ya zama na uku a gasar cin kofin Turai tare da tawagarsa. Daga nan sai ya tafi Amurka, amma daga 1993 zuwa 1995 ya tsaya ne kawai don Buffalo's Farmteam, Rochester Americans, a cikin Wasannin Hockey na Amurka tsakanin mukamai, don haka ya kasance tare da Färjestad BK a cikin Elitserien na Sweden. Tare da FBK ya kasance a cikin &lt;a href="1996%E2%80%9397_Elitserien_season"&gt; kakar wasa ta 1996/97&lt;/a&gt; Gasar Sweden. A gasar Hockey ta Turai, duk da haka, shi da tawagarsa an fitar da su a matakin rukuni. Daga 1997 zuwa 1999 dan wasan Olympics na 1992 ya sake bugawa kungiyarsa ta Jokerit a SM-liiga kafin ya kawo karshen aikinsa yana da shekaru 31. A cikin 2005 an shigar da shi cikin Gidan Shahararren Hockey na Finnish a matsayin jimillar 'yan wasa 160.