Austin Czarnik, F: The 25-year-old signed a two-year, $2.5 million contract July 1 as a UFA. After splitting the past two seasons between the Boston Bruins and their American Hockey League affiliate, he'll have the opportunity to play a prominent role for the Flames this season. He had four assists in 10 games with the Bruins in 2017-18, when he was third in the AHL with 69 points (25 goals, 44 assists) in 64 games with Providence. … Andrew Mangiapane, F: Selected by Calgary in the sixth round (No. 166) in the 2015 NHL Draft, the 22-year-old could slot in on a youthful fourth line. He was minus-3 in 10 games with Calgary last season but led Stockton of the AHL with 46 points (21 goals, 25 assists) in 39 games. … Spencer Foo, F: Signed as a UFA out of Union College on June 27, 2017, the 24-year-old is entering his second season of professional hockey. He had 39 points (20 goals, 19 assists) in 62 games with Stockton of the AHL last season and scored two goals in four late-season games with Calgary. … Rasmus Andersson, D: The 21-year-old could be the Flames' most NHL-ready defenseman prospect. Selected by Calgary in the second round (No. 53) in the 2015 draft, he played 10 games with the Flames in 2017-18, when he had 39 points (nine goals, 30 assists) in 56 games with Stockton.