Source: Ryan Dadoun, NBC Sports Pro Hockey Talk 
The Calgary Flames have managed to tread water so far this season with a 6-7-2 record, which is more than a lot of people expected from them. It hasn’t been easy though, especially with captain Mark Giordano out with a broken ankle and forward Lee Stempniak nursing a broken foot.
In an effort to prevent similar injuries in the future, Flames GM Jay Feaster has made it a mandatory team policy for all of his players to wear foot and ankle safety gear often called “shotblockers,” according to TSN.
The problem is that the NHLPA sees this as a violation of the CBA.
“No team can unilaterally make a piece of equipment mandatory,” the NHLPA’s Mathieu Schneider said.