[4] Notable free agent signing included defenseman Tom Gilbert, centre Manny Malhotra and prospect Jiri Sekac, formally of the Kontinental Hockey League (KHL).
[5] On August 2, 2014, after months of ongoing negotiations, defenceman P. K. Subban signed an eight-year contract extension worth $72 million, avoiding salary arbitration.
Trevor Timmins was appointed vice president of player personnel, as well as retaining his responsibilities as the club's director of amateur scouting.
On September 15, team management named Andrei Markov, Max Pacioretty, Tomas Plekanec and P. K. Subban alternative captains.
Cameron replaced Andrew Hammond with Craig Anderson as his starting goalie for Game 3, who despite a strong outing, surrendered the tying goal by but Dale Weise with 5:47 left in the third period, who also scored at 3:40 into overtime to give Montreal a 2–1 win.
The Canadiens then eliminated the Senators in Game 6 by a score of 2–0, with goaltender Carey Price registering the shutout stopping all 43 of Ottawa's shots.
Earlier at 2:56 of the first overtime period, Kucherov's apparent winning goal was waved off after officials ruled that he pushing Carey Price's pad into the net after the Montreal goalie made the initial save.
Montreal's Brandon Prust was then fined $5,000 for his postgame derogatory public comments directed toward Referee Brad Watson, which he later apologized for the day afterward.
The Canadiens stayed alive in Game 4, as Max Pacioretty recorded a shorthanded goal and two assists, as Montreal built a 5–0 second-period lead en route to a 6–2 win.