Penalty-killing struggles persist, but the Blue Jackets outscored their defensive liabilities once again: 5 takeaways.

Sean Monahan had a goal and assist, and the Columbus Blue Jackets extended their points streak to six games with a 6-3 win over the Chicago Blackhawks on Sunday.

1. The Blue Jackets did what good teams do on Sunday. Columbus headed to Chicago on a five-game point streak (4-0-1) and has been playing good hockey. The Blackhawks, meanwhile, entered the game last in the NHL in points and on the road to a fifth straight season without playoff hockey.

Goals from six different players, balanced attack leads Blue Jackets in blowout victory over Blackhawks to start road trip.

Sean Monahan had a goal and an assist for the Columbus Blue Jackets, who extended their point streak to six games with a 6-3 win against the host Chicago Blackhawks on Sunday.

Watching the long, stringy hair of the Calgary Flames forward become that of a troll doll while Blue Jackets forward Mathieu Olivier rained blows down upon him stirred memories of the “Seinfeld” episode when Frank Costanza explained his origin story of Festivus, the fictional holiday sparked by a scuffle over a Christmas gift.

The Blue Jackets beat the Blackhawks 6-3 on Sunday. Michael Reaves/ Share During the first two months of the season, captain Nick Foligno frequently has mentioned how the Blackhawks don’t properly understand ‘‘situational play’’ and the dynamics of momentum.

The Chicago Blackhawks were taken down by the Columbus Blue Jackets on Sunday. They lost despite Connor Bedard looking great again.