The Calgary Flames double-dipped into the college free-agent pool, signing defensemen Colton Poolman out of North Dakota and Connor Mackey from Minnesota State, the team announced Friday.
Both deals are one-year, entry-level contracts.
Poolman, 24, finished his senior year in 2019-20 with 17 points in 31 games.
Mackey, 23, registered 24 points in 36 games in his third NCAA season.