Kammala jumla mai zuwa: Wideman ya buga wasan hockey na makarantar sakandare don Kwalejin Kwalejin Kwalejin Chaminade. A shekara ta 2007, Wideman ya shiga kungiyar Cedar Rapids RoughRiders ta USHL inda ya buga shekara guda na wasan hockey na matasa na Tier I kafin ya shiga Jami'ar Miami a shekara ta 2008. Bayan kakar wasa daya a Miami, Wideman an zaba shi a zagaye na hudu, 100th gaba daya ta Ottawa Senators a cikin
Zaɓin shiga NHL na 2009. A lokacin da yake shekaru hudu a Miami, ya taimaka wa RedHawks su sami bayyanar Frozen Four na farko, bayyanar wasan zakarun kasa, da kuma taken gasar CCHA ta farko.