Buuxi weedha soo socota: Tjärnqvist waxaa soo qaatay kooxda Dallas Stars iyada oo ah 96-aad guud ahaan, wareega saddexaad ee soo qaadashada 1999 NHL Entry Draft. Intii lagu guda jiray xiritaanka 2004/05 ee NHL, Tjärnqvist wuxuu la ciyaaray HV 71 Elitserien oo ay weheliyaan NHL'ers kale Manny Malhotra, Jonathan Cheechoo, iyo Bryan McCabe. Febraayo 12, 2007, waxaa lagu wareejiyay Phoenix Coyotes, oo ay weheliyaan xulashada wareega koowaad ee
2007 NHL Entry Draft, ee Ladislav Nagy. Sanadkii 2017 Tjärnqvist wuxuu si rasmi ah ugu dhawaaqay hawlgabnimadiisa.