(Trent Nelson | The Salt Lake Tribune) The Utah Mammoth host the Calgary Flames, NHL hockey in Salt Lake City on Wednesday, Oct. 15, 2025.(Trent Nelson | The Salt Lake Tribune) Utah Mammoth fans before the season opener against the Calgary Flames, NHL hockey in Salt Lake City on Wednesday, Oct. 15, 2025.(Trent Nelson | The Salt Lake Tribune) The Utah Mammoth host the Calgary Flames, NHL hockey in Salt Lake City on Wednesday, Oct. 15, 2025.