Pedzisa mutsara unotevera: Mumwaka wa2015/16 mwaka, Matthias akaita Maple Leaf yake yekutanga pahusiku hwekuvhura mukukunda 3-1 kuMontreal Canadiens musi waGumiguru 7, 2015. Mugore rose, Matthias akakundikana kuwana zvibodzwa zvakafanana nemwaka wake wapfuura muVancouver, asi achiri kuonekwa semugadziri akanaka achipiwa basa rake muchikwata. Mushure mekupa 17 mapoinzi mumitambo 51, musi waFebruary 21, 2016, Matthias akatengeswa neMaple Leafs kuvakazve kuColorado Avalanche mukutsinhana ne4th round pick mu
2016 Entry Draft uye tarisiro Colin Smith.