CHICAGO — Ryan O’Reilly and Jordan Kyrou each had a goal and an assist, and the St. Louis Blues beat the Chicago Blackhawks 5-2 on Wednesday night for their fourth straight victory.

Calle Rosen, Tyler Pitlick and Ivan Barbashev also scored as St. Louis closed out a perfect three-game trip. Jordan Binnington made 23 saves.

The win streak for the Blues (7-8-0) comes in the wake of an ugly eight-game slide, when they were outscored 38-12.

Andreas Athanasiou scored twice for Chicago, and Arvid Soderblom made 30 stops. The Blackhawks (6-7-3) lost for the fourth time in five games.

The teams combined for five goals during a wild second period.

After O’Reilly intercepted a Patrick Kane pass and knocked in his own rebound for a short-handed goal, Athanasiou responded with a power-play goal for his fifth of the season.

Pitlick then made it 4-2 when he beat Soderblom from the low right circle off a nice setup by Nikita Alexandrov at 11:37.

Kyrou helped St. Louis put it away when he sent Barbashev in on Soderblom for a mini-breakaway in the third period. Barbashev finished the drive with a slick move for his third goal, making it 5-2 at 6:55 .

St. Louis used a strong start to improve to 5-0-0 when leading after two periods.

SENATORS 4, SABRES 1: Anton Forsberg made 29 saves as  Ottawa sent visiting Buffalo to its seventh straight loss.