Nyorai kuenderera mberi kweiyi ndima - Mambo akasarudzwa 13th yose neNew York Islanders mu1985 NHL Entry Draft
. Akatamba mitambo 830 yebasa reNHL, achiwana zvibodzwa 261 uye 351 anobatsira pamapoinzi mazana matanhatu negumi nemaviri. Akanga ari katatu-nguva 30 chinangwa scorer, kusanganisira imwe 40-chinangwa mwaka. Akapinza chinangwa chekupedzisira cheMaple Leafs muMaple Leaf Gardens muna 1999.