The number of firings that have taken place in the NHL this season would make Donald Trump envious. Seven head coaches have left the board room unemployed, including three in the last month from preseason Stanley Cup contending teams.

The purge began on February 2, as the Pittsburgh Penguins fired Michel Therrien only months after he took them to a Stanley Cup final. He paid the price for management’s inability to keep the supporting cast that had surrounded talented young superstars like Sidney Crosby, Evgeni Malkin, and Marc-Andre Fleury. It was inevitable that Therrien would become the fall guy, as the Pens have fallen to 10th place in the Eastern Conference and out of the playoff hunt.

The New York Rangers had lost 10 of their last 12 games and fell to sixth place in the Eastern Conference; just two points separated them from missing the playoffs completely. Management felt this underachieving team needed a kick in the butt and hired John Tortorella to replace Tom Renney as head coach. His excitable personality will challenge everyone on the roster to play to their potential and he’ll hold them accountable for their on-ice decisions.

The Montreal Canadiens’ 100th anniversary season was supposed to a year of celebration that would culminate with a Stanley Cup victory. Instead, it has been a nightmare that cost Guy Carbonneau his job earlier this week. Canadiens GM Bob Gainey felt the team needed to get better defensively and cut down the number of shots allowed in their zone.

This is the last, desperate move by teams that had high aspirations at the beginning of the season and are now struggling just to stay in the playoff race. Their only hope is for a mid-season coaching change to ignite a second-half resurgence. Each team’s performance has been below par for the majority of the season.

There is a fine line between success and failure in the business world and sometimes calculated moves do not work out the way they were intended. The one thing that Therrien, Renney and Carbonneau had in common were they were let go after recent success in the NHL. But hey, that’s the sports business today.