Allen was traded to Montreal by the St. Louis Blues on Sept. 2. He could have become an unrestricted free agent after this season, which will be the final season of a four-year, $17.4 million contract ($4.35 average annual value) he signed with St. Louis on July 1, 2016.
The 30-year-old goalie was 12-6-3 with an NHL career-best 2.15 goals-against average and .927 save percentage in 24 games (21 starts) last season. He was 2-1-1 with a 1.89 GAA and .935 save percentage in five postseason games, including starting Games 3, 4 and 5 in place of Jordan Binnington against the Vancouver Canucks in the Western Conference First Round, which the Blues lost in six games.
Selected by St. Louis in the second round (No. 34) in the 2008 NHL Draft, Allen is 148-94-26 with a 2.50 GAA, .913 save percentage and 21 shutouts in 289 regular-season games (271 starts), and 11-11-1 with a 2.06 GAA and .924 save percentage in 29 postseason games (23 starts).
He won the Stanley Cup with the Blues in 2019.