Mittelstadt gets 3 assists, Avalanche holds on, beats the Senators and secures their fifth win in a row

Nikolai Kovalenko, Josh Manson, Logan O'Connor, Ross Colton and Nathan MacKinnon each scored a goal for the Avalanche (5-4-0), who rattled off five straight wins after losing their first four games of the season.

MacKinnon and Cale Makar each extended their season-opening points streak to nine games, and Justus Annunen made 26 saves in his fourth straight start.

Claude Giroux scored two goals and Nick Cousins ​​had a goal and an assist for the Senators (4-4-0), who have suffered two straight losses. Anton Forsberg made 25 saves.

Linus Ullmark briefly replaced Forsberg at net twice in the second period while Forsberg's equipment was repaired. Ullmark finished with two saves in 4:46 minutes of ice time.

Kovalenko scored his first NHL goal to make it 1-0 for Colorado at 19:52 of the first period. He fired Mittelstadt's pass from the top of the crease past Forsberg, while a delayed penalty gave the Avalanche a 6-on-5 lead.

Manson made it 2-0 when his backhand shot from the high slot found its way through traffic in front and past Forsberg at 19:42 of the second period.

Tkachuk cut the lead to 2-1 at 9:15 of the third period. Tyler Kleven's shot from the top of the right circle missed the net and bounced off the boards directly to Tkachuk, who was able to tap it in.

Cousins ​​made it 2-2 at 11:23 of the third period when he hit the rebound from Tim Stutzle's point shot with his backhand over Annunen's block.

O'Connor gave Colorado a 3-2 lead by firing Mittelstadt's pass from the goal line past Forsberg at 13:29 of the third period.

Colton extended the lead to 4-2 at 15:01 by putting his own rebound into the net as he drove toward the goal crease.

Giroux cut the lead to 4-3 when he hit Drake Batherson's pass at the right faceoff dot at 16:48 of the third period.

MacKinnon scored an unanswered goal at 18:45 to make it 5-3. He also had a goal disallowed in the first period due to goalkeeper interference.

Giroux scored again at 19:50 when Forsberg brought in the extra attacker to make the final score 5-4.