By Alek Arend Just three weeks into the 2022 season, a few NFL head coaches are failing to live up to their respective preseason promises. A few could soon be getting the axe, as a result. Bleacher Report has named six coaches on the “hot seat” following Week 3’s results. It’s a pretty surprising list. The six coaches included are Dennis Allen of the Saints, Pete Carroll of the Seahawks, Kliff Kingsbury of the Cardinals, Josh McDaniels of the Raiders, Ron Rivera of the Commanders and Brandon Staley of the Chargers. It’s hard to imagine Allen or McDaniels getting the axe. Both are rookie head c…