Sundin akaita NHL yake yokutanga neQuebec mumwaka wa1990/91, achipedza wechipiri pachikwata chiri shure kwaJoe Sakic aine mapoinzi makumi mashanu nemapfumbamwe. Akawana chinangwa chake chekutanga cheNHL kurwisa Hartford Whalers mumutambo wake wekutanga weNHL musi wa 4 Gumiguru 1990. Mushure mekusimudzira kusvika pamapoinzi makumi manomwe nematanhatu mumwaka wake wechipiri weNHL, akatungamira maNordiques aine basa-rakakwira 114 mapoinzi muna 1992-93, achibuda semumwe wevatambi vechidiki veLigi. Akatamba imwezve mwaka neNordiques, achinyora 85 mapoinzi mumitambo 84, asati atengeswa kuToronto Maple Leafs pa1994 Draft
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