The Jets played after trading forwards Patrik Laine and Jack Roslovic to the Columbus Blue Jackets earlier Saturday for forward Pierre-Luc Dubois and a third-round pick in the 2022 NHL Draft. Laine and Dubois were selected with the No. 2 and No. 3 picks, respectively, in the 2016 NHL Draft.
Paul Stastny and Mark Scheifele each had a goal and two assists, and Blake Wheeler had three assists, including his 500th in the NHL, for the Jets (4-1-0). Connor Hellebuyck made 18 saves.
"(He) has played so well, he's worked so hard, it's good to see him get three [points] tonight and really get going because he's such a great player," Copp said of Stastny, who assisted on both of his goals. "He's played really well. He just hasn't been able to get on the scoresheet, so I was really happy I was able to put that [first goal] in for him. The second one was just going to the net and banging one in. I think I hit that out of mid-air three times."
Evgenii Dadonov, Brady Tkachuk and Nicholas Paul scored, and Marcus Hogberg made 32 saves in his first start of the season for the Senators (1-3-1).
Copp tied the game 3-3 at 2:24 of the third period, and Stastny, acquired in a trade with the Vegas Golden Knights on Oct. 9, made it 4-3 on the power play at 15:45. All three of Stastny's points came in the period.
"Different guys are stepping up every night so that's kind of helped out a little bit, taking pressure off certain guys when other guys are scoring," Stastny said. "It's always tough playing the same team three times in a row, any team, even playing teams two times in a row, but that's what it's going to be like all year. They came out hungry early on."