There could be an opportunity to make further adjustments in free agency. It's definitely worth examining and these three could be options in the short-term.
After adding Dougie Hamilton, and with the inevitable contract coming, there is still an opportunity improve the blueline. Adding one more defenseman could vastly improve the Calgary Flames and push them towards avoiding a Colorado Avalanche-level regression next season. Let's take a look at three UFA defensemen looking for contracts:
Michalek's 2014-15 season was marred with injuries and trade. A concussion before the trade deadline limited his overall games played to just 68 between the Coyotes and the Blues.