The Colorado Avalanche has been the busiest team in the NHL this season, and that didn’t stop on trade deadline day.

The Casey Mittelstadt era in Colorado lasted one year and one day. The Avalanche on Friday reportedly dealt Mittelstadt, prospect Will Zellers and their 2025 second-round pick to the Boston Bruins for veteran forward Charlie Coyle and a 2026 fifth-round-pick.

The Avalanche completely revamped their center core on Friday, following their second big addition in less than 24 hours. After trading for Brock Nelson from the New York Islanders, the Avs subsequently sent Casey Mittelstadt,

The Bruins sent long-term veterans Charlie Coyle and Brandon Carlo to Colorado and Toronto, respectively, for prospects and picks. Did they get enough? Experts weigh in: The Bruins sent Coyle and a 2026 fifth-round pick to Colorado for Casey Mittelstadt,

Mittelstadt picked up an assist Saturday in a 4-0 win over Tampa Bay. Mittelstadt sprung Cole Koepke and David Pastrnak on a 2-on-1 in the third period. This is a chance for the Minnesota native to resurrect his game.

NHL trade deadline, the Boston Bruins acquired forward Casey Mittelstadt from the Colorado Avalanche as a part of the Charlie Coyle trade. The hope now is that Mittelstadt will provide the Bruins' top six with more offense.

The Bruins' roster is looking a lot different following the NHL trade deadline, which saw Brad Marchand, Charlie Coyle and more dealt.