They made their first maneuver to address that part of the roster Wednesday night by acquiring right-hander Michael Soroka from the Washington Nationals, and they obtained 35-year-old reliever Andrew Kittredge from the Baltimore Orioles on Thursday morning.

The Cubs have addressed a need in their bullpen by acquiring Andrew Kittredge from the Orioles, according to Jon Heyman

Andy McCullough of The Athletic (subscription required) recently gave the Cubs a solid grade of a ‘B’ for their addition of relief pitcher Andrew Kittredge to the bullpen. He noted the team's relief ERA (3.90) sitting middle of the pack at 15 out of 30 teams, but their 1.0 fWAR being 25th of 30.