Who is John Tortorella replacing in Vegas?

Golden Knights replace Cassidy with Tortorella

The Vegas Golden Knights fired head coach Bruce Cassidy and replaced him with John Tortorella. The change was announced with eight games remaining in the regular season, with Tortorella taking over immediately.

Cassidy, who had coached Vegas to a Stanley Cup in 2023, was dismissed despite having previously been the coach who delivered the franchise’s biggest accomplishment. With the team still in the playoff conversation late in the schedule, Vegas moved quickly to alter its coaching direction.

Tortorella is now the Knights’ new bench boss for the final stretch, meaning players and assistant coaches must adjust to new systems and expectations immediately. The timing is crucial: with so few regular-season games left, there’s limited opportunity to smooth over transition costs.

This matters because coaching changes can affect multiple day-to-day components at once—practice emphasis, defensive coverage, game management, and special-teams execution. In a late-season push, the ability to respond quickly to those changes often determines whether a team can turn its form around in time.

The hire also suggests the Knights want a different coaching approach than the one Cassidy was running. By installing Tortorella at such a late point, Vegas is prioritizing impact and intensity over continuity.

In short, the personnel move is straightforward: Cassidy out, Tortorella in, and the franchise is betting that a fast reset can help secure—or solidify—a playoff spot before the regular season ends.