I'm very intrigued by Bryan Abreu, reliever for the Astros. From 2022 to 2025, he had a FIP of 2.7 with an ERA + of 187. This year, he's been absolutely horrendous.
Given how bad he's been this year, the Cubs can probably land him for a significant discount. Textbook change of scenery guy who has a long track record of dominance. And it's a half season commitment.