The Athletics made a significant announcement on Friday afternoon mere hours before their series with the Giants kicks off, optioning starting pitcher Osvaldo Bido and designating Jason Alexander for assignment:
The Athletics selected left-handed pitcher Matt Krook and right-handed pitcher Anthony Maldonado from Triple-A Las Vegas. The A’s also optioned right-handed pitcher Osvaldo Bido to Las Vegas and designated right-handed pitcher Jason Alexander for assignment.
— A's Communications (@AthleticsPR) May 16, 2025
Taking their spots on the active roster will be left-handed reliever Matt Krook and right-handed reliever Anthony Maldonado, both of whom have minimal big league experience.