Trent Cull joins Calgary Flames coaching staff on full-time basis  CTV NewsFlames Announce Coaching Staff Changes  NHL.comCalgary Flames name Trent Cull assistant coach on full-time basis, release assistant Dan Lambert  TSNCull returning to Flames as assistant coach  The American Hockey LeagueCalgary Flames promote Trent Cull to full-time assistant, announce Brad Larsen will return  Calgary Herald