Kammala wannan jumla: An zabi Muckalt a zagaye na tara (221st gaba ɗaya) na gasar cin kofin duniya na 'yan wasa na' yan wasa.
1994 NHL Entry Draft da garinsa Vancouver Canucks ya yi. Ya buga wasan NHL na farko tare da Canucks a ranar 12 ga Oktoba, 1998, a kan Los Angeles Kings, inda ya zira kwallaye na farko na NHL, taimako. Muckalt ya zira kwallaye na farko a NHL a ranar 20 ga Oktoba a kan Carolina Hurricanes. Ya buga wasanni 73 a lokacin da ya fara wasa, ya zira kwallaye 16 da maki 36. An yi musayar Muckalt zuwa New York Islanders tare da Dave Scatchard da mai tsaron gida Kevin Weekes a musayar mai tsaron gida Felix Potvin da kuma zaɓin da aka zaɓa a tsakiyar lokacin 1999-2000 a ranar 19 ga Disamba, 1999. Ba da daɗewa ba bayan da ya fara wasa tare da Islanders, duk da haka, an dakatar da shi har tsawon kakar wasa tare da raunin kafada da aka samu a wasan da Tampa Bay Lightning a ranar 13 ga Janairu, 2000. Bayan cikakken kakar wasa tare da Islanders a 2000-01, ya shiga cikin cinikin kasuwanci tare da Ottawa Senators a ranar 23 ga Yuni, 2001. An ba Muckalt zuwa Ottawa tare da mai tsaron baya mai zuwa Zdeno Chara da kuma zaɓaɓɓen zagaye na farko na Islanders a 2001 (wanda Ottawa zai yi amfani da shi don zaɓar Jason Spezza) a musayar tauraruwar cibiyar Alexei Yashin.