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 ...

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.

CALGARY -- Anthony Mantha will have surgery on his ACL and miss the rest of the season, the Calgary Flames announced Monday. The 30-year-old forward had seven points (four goals, three assists) and was plus-6 in 13 games in his first season with the Flames after signing a one-year, $3.5 million contract July 1 as an unrestricted free agent.