The Cubs claimed Nunez off waivers from the Orioles on Monday.
Nunez will join his third organization in less than a month and his fourth since last year's trade deadline. The hard-throwing reliever has spent all of the 2026 campaign in the minors, collecting a 7.13 ERA and 21:19 K:BB across 17.2 frames. Nunez has been assigned to the Cubs' rookie-level Arizona Complex League affiliate, where he will go through the organization's pitching lab before eventually being assigned to a full-season affiliate, likely Triple-A Iowa.