The Chicago Cubs celebrate with third baseman Matt Shaw after Shaw’s walk-off single in the 11th inning of a game against the Colorado Rockies at Wrigley Field in Chicago on May 27, 2025.

Entering Wednesday, Cubs relievers had combined for a 1.03 ERA in the team's last 12 games (since May 14), the best mark in the majors during that span.

The Chicago Cubs made a series of roster moves before Wednesday’s game against the Pirates, selecting the contract of pitcher Chris Flexen. Flexen had spent the beginning of the season in Triple ...