Casey Mittelstadt scored the go-ahead goal on a power play with 4:09 remaining, Nathan MacKinnon extended his home point streak to 17 games, and the Colorado Avalanche beat the Pittsburgh Penguins 4-1 on Tuesday night.

Casey Mittelstadt came up big when it mattered, burying a power-play goal with just over four minutes left to break the tie and push the Colorado Avalanche to a 4-1 win

Casey Mittelstadt scored with 4:06 remaining and Scott Wedgewood made 32 saves to help the Colorado Avalanche fend off the Pittsburgh Penguins.