The Calgary Flames have had a busy offseason. Since being eliminated from the playoffs on April 19, Flames general manager Brad Treliving has been one of the busiest executives in the entire National Hockey League. As the dust begins to settle and we dwell in the dog days of summer, it’s probably worthwhile to review just how much change the Flames have endured over the past three months.
Reserve list changes since the end of playoffs
| Position | In | Out |
| Goalies | Mike Smith (trade) Eddie Lack (trade) | Chad Johnson (trade) Brian Elliott (UFA) Tom McCollum (trade) |
| Defense | Juuso Valimaki (draft) Travis Hamonic (trade) Josh Healey (UFA) | Ladislav Smid (UFA) Brandon Hickey (trade) Deryk Engelland (exp. |