Whakaotihia te rerenga e whai ake nei: I takaro a Byfuglien i te hockey rangatahi nui mo te Brandon Wheat Kings me Prince George Cougars o te Western Hockey League (WHL). I tohua a Byfuglien e ngā Chicago Blackhawks i te tau
Ko te tau 2003. I te timatanga he kaitautoko i te timatanga o te waa 2007-08, i nekehia ia ki tetahi tuunga parirau matau kia nui ake ai te tinana o te kapa i te taha o te kupenga.