Cika wannan jumla:
2011 NHL Entry Draft, Bärtschi ya kasance na bakwai mafi kyau na Arewacin Amirka, kuma Calgary Flames ya zaba shi na 13. Tawagar da sauri ta sanya hannu a kan shi zuwa kwangilar shigarwa ta shekaru uku da dala miliyan 1.45 a kowace kakar, gami da kari. Ya halarci sansanin horar da tawagar a wannan kaka, amma an dawo da shi zuwa Portland don kakar WHL ta 2011-12. Bärtschi yana daga cikin shugabannin gasar a kai hari, yana da maki 2.00 a kowane wasa (maki 94 a wasanni 47) kuma an kira shi dan wasan WHL na mako sau uku. Abokan aikinsa sun kira shi dan wasan Portland mafi daraja, kuma an kira shi zuwa kungiyar WHL ta Yammacin Turai ta biyu.