Kammala jumla mai zuwa: Tare da sabon suna, Mississauga Steelheads, a lokacin kakar 2012<unk>13 Martin ya kasance mai halartar gayyata a 2013 CHL Top Prospects Game inda ya jagoranci Team Orr zuwa gagarumar nasara, kuma ya taimaka wa 'yan wasan hockey na kankara na kasa da kasa na kasa da kasa da kasa da shekaru 18 da suka lashe zinari a gasar
2013 IIHF Gasar Kofin Duniya ta U18. Gabatarwa zuwa 2013 NHL Entry Draft. An tantance Martin a matsayin babban mai yiwuwa. Shi ne mai tsaron gida na biyar da aka zaba a cikin shirin, lokacin da Colorado Avalanche ta zaba shi a matsayin na 63.