Pedzisa mutsara unotevera: Mumwe wevashomanana vanobva kuCologne kuti vatambe kuKölner Haie muDeutsche Eishockey Liga, Krupp akaonekwa naScotty Bowman, mudzidzisi uye mutungamiri mukuru weBuffalo Sabres, uyo akamusarudza se 214th pick mu
1983 NHL Entry Draft. Mushure mokunge Kölner Haie akunda mukwikwidzi weGermany muna 1986, boka racho rakasunungura Krupp kuti amubvumire kutamba muNHL. Akaita NHL yake yekutanga kurwisa Montreal Canadiens, asi akapedza chikamu chekupedzisira chemwaka neRochester Americans yeAmerican Hockey League, kwaaive nhengo yechikwata cheAmerica chakakunda Calder Cup. Krupp akarova chinangwa chekuwedzera nguva mumutambo wekupedzisira weBuffalo mwaka wa1989-90 vachipesana nePittsburgh Penguins iyo yakabvisa maPenguins kubva mukukwikwidza.