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.

An unfortunate early end to a veteran’s season. On Monday, the Calgary Flames announced that forward Anthony Mantha is going to have surgery on Thursday to repair an ACL injury.

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 ...

The Calgary Flames have announced a big blow to their lineup. News emerged Monday afternoon that forward Anthony Mantha is injured and will have surgery later this week.

Calgary Flames right winger Anthony Mantha is scheduled for ACL surgery, which will keep him out for the rest of the season.

A devastating update from the Calgary Flames on forward Anthony Mantha who is done for the season.

Calgary Flames right-winger Anthony Mantha will miss the rest of the NHL season with a knee injury, the team announced Monday.

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.