Bruce "Butch" Cassidy was named as the head coach of the Boston Bruins in 2017, after being with the Providence Bruins for 8 seasons. During his time as the Bruins' head coach, he helped the team multiple times to the playoffs. However, he was fired from the Bruins during the offseason in 2022. The year after they got rid of Cassidy, the Bruins were able to break record after record in the NHL.
Some of the highlight records include: Fastest to get to both 80 and 100 points, an overall save percentage of .931, and won 65 games during the season.