Pedzisa mutsara unotevera: Mumwaka unotevera wa2015-16, manheru ehusiku hwekuvhura musi waGumiguru 6, 2015, Harrison akachenesa kuregererwa, uye akaendeswa kuManitoba Moose yeAmerican Hockey League. Pakudzokera kuAHL kekutanga kubva 2010, Harrison akaonekwa mumitambo gumi nemasere neMoose asati apinda muchibvumirano chekutengeserana neJets, pamwe naAndrew Ladd naMatt Fraser kuChicago Blackhawks mukutsinhana naMarko Daňo uye yekutanga-kutenderera mu
2016 NHL Entry Draft musi waFebruary 25, 2016. Akakurumidza kupiwa kuBlackhawks AHL affiliate, Rockford IceHogs.