The Colorado Avalanche have made key roster moves as the NHL deadline approaches. They claimed defenseman John Ludvig from the Pittsburgh Penguins while waiving forwards T.J. Tynan and Chris Wagner.

Ludvig, 24, had a notable season with the Penguins, contributing 5 points and accumulating 47 penalty minutes over 33 games. He is expected to be part of the Avalanche's defensive lineup.

Tynan, 32, has had a varied career primarily in the AHL, while Wagner, 33, has played for multiple teams including the Avalanche and has significant NHL experience.