There will be more trades as teams build toward a Stanley Cup run or make moves for their long-term future. Here are key dates to watch: the holiday roster freeze in December, the league's break for the 4 Nations Face-Off in February and the trade deadline in early March.

Mantha signed a one-year contract with Calgary in the offseason and is set to become a pending unrestricted free agent this summer. His injury not only impacts the Flames’ lineup but also complicates any trade plans the team might have had for him.

The regular season that began with so much promise for Calgary Flames veteran forward Anthony Mantha has officially come to a close. The Flames announced earlier on Monday afternoon that he is undergoing surgery to repair an ACL injury, and that his ...