Gavin Hollowell Promoted To Join Cubs' Bullpen

The Chicago Cubs made a minor move involving their bullpen Thursday, calling up right-handed reliever Gavin Hollowell from Triple-A Iowa.

To make room on the 26-man roster, right-handed reliever Corbin Martin was designated for assignment.

Today's roster moves presented by @NuveenInv:

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— Chicago Cubs (@cubsbot.bsky.social) May 7, 2026 at 9:00 AM

Hollowell will be making his first appearance with the Cubs after beginning the season at Iowa. He has made 40 MLB appearances with the Cubs and Colorado Rockies over the last four years, including seven with Chicago in 2025. He has a career 5.79 ERA with a 12.3% walk and 21.7% strikeout rate.

This year at Iowa, Hollowell appeared in six games, allowing two runs on four hits with six walks and 15 strikeouts in eight innings for a 2.25 ERA.

Martin made seven appearances with the Cubs since coming up April 18. He had a 10.80 over five innings, giving up six runs on five hits (two homers) with five walks and four strikeouts.