 Ramba uchiverenga ndima ino - McCrimmon akatanga basa rake achiri mudiki aine makore gumi nemashanu nePrince Albert Raiders yeSaskatchewan Junior Hockey League SJHL. Akatamba mwaka miviri nechikwata ichi, achihwina zvibodzwa makumi maviri nematatu nemapoinzi makumi masere nemana. Mumwaka wake wechipiri, 1975-76, akatumidzwa zita rekuti SJHLs defenceman wegore. Kwemwaka wa1976-77, akaenda kuBrandon Wheat Kings yeWestern Canada Hockey League WCHL. Akawana 84 points mumitambo 72 mumwaka wake wekutanga weWCHL uye akawedzera mapoinzi gumi nematatu mumitambo gumi nemashanu yemitambo sezvo Wheat Kings yakasvika mumakwikwi eligi, chete kuti ikunde New Westminster Bruins. McCrimmon akawana 97 points muna 197778 uye 98 muna 197879. Akatumidzwa zita remunhu anodzivirira wegore muna 1978 uye akatumidzwa zita religi all-star timu mumwaka miviri. Akabatanawo nechikwata chechidiki cheCanada paWorld Junior Championship mumwaka wega wega. Akanyora mapiro maviri mumitambo mitanhatu kuti abatsire Canada kukunda menduru yendarira pamutambo wa1978 uye aive nemapoinzi matatu mumitambo mishanu muna 1979kunyange zvazvo Canada yakakundikana kuwana menduru. 