 After the start of the lock-out-shortened 2012–13 season, Prust scored his first goal as a Canadien against Martin Brodeur of the New Jersey Devils on January 27, 2013.Prust was awarded the Jacques-Beauchamp Trophy at the end of the regular season, an award voted on by the members of the media in Montreal to honour the team's unsung hero.During the 2014 Eastern Conference Finals against his former team, the New York Rangers, Prust was suspended for two games following a hit on Rangers forward Derek Stepan during the first period of Game 3.