Tuhia he haere tonu mo tenei whitianga - Ko tetahi o nga taangata o Cologne e takaro ana mo Kölner Haie i te Deutsche Eishockey Liga, i kitea a Krupp e Scotty Bowman, te kaiako me te kaiwhakahaere matua o te Buffalo Sabres, nana nei ia i kowhiri hei 214th i te 1983 NHL Entry Draft
He aha? Whai muri i te wikitoria o Kölner Haie i te Tiamana Tiamana i te tau 1986, ka tukuna e te kapa a Krupp kia ahei ai ia ki te purei i te NHL. I hanga e ia tana NHL tuatahi ki te Montreal Canadiens, engari i noho ia i te waahanga whakamutunga o te wa ki nga Rochester Americans o te American Hockey League, i reira ia he mema o te roopu Amerikana i toa i te Calder Cup. I eke a Krupp i tetahi whaainga mo te wa roa i te keemu whakamutunga a Buffalo i te tau 1989-90 ki te Pittsburgh Penguins i whakakore i nga Penguins mai i te whakataetae tukinga.