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Cubs roster move: Caleb Thielbar returns from paternity list, Gavin Hollowell optioned

Al Yellon created Bleed Cubbie Blue and has been its managing editor since 2005. His latest book about the Cubs is "Chicago Cubs Firsts." Find him on Bluesky at @bleedcubbieblue.bsky.social

Cubs lefthander Caleb Thielbar was placed on the paternity list before Friday’s game in New York:

Caleb Thielbar and his wife welcomed a baby girl into the world today, Craig Counsell announced. Thielbar is going on the paternity list, and the Cubs are recalling Tom Cosgrove.

— Maddie Lee (@maddie_m_lee) May 9, 2025

Tom Cosgrove was optioned back to Triple-A Iowa when Cade Horton was called up for Saturday’s start.