He was hockey’s most feared bench boss — fresh off a Stanley Cup in New York — and the St. Louis Blues lured him away in a move that sent shockwaves through the NHL. What followed was three seasons of blockbuster trades, superstar clashes, front-office mutinies, and one unforgettable chase for glory that ended in heartbreak. This is the untold saga of Mike “Iron Mike” Keenan’s turbulent reign in St. Louis — how it began in triumph, unraveled in chaos, and left behind a legacy the Blues are still reckoning with today.