 | LHP Wandy Peralta exercised player option for 2026. Declined 2026 club option of LHP Kyle Hart. Declined 2026 club option on INF/OF Tyler Wade. |
 | Exercised the club option on LHP José Alvarado for the 2026 season. |
 | RHP George Soriano claimed off waivers by Baltimore. INF Troy Johnston claimed off waivers by Colorado. RHP Jesus Tinoco reinstated from 60-day IL and outrighted to Jacksonville (IL). RHP Tyler Zuber reinstated from 60-day IL and outrighted to Jacksonville. RHP Valente Bellozo outrighted to Jacksonville. RHP Freddy Tarnok outrighted to Jacksonville. C Brian Navarreto outrighted to Jacksonville. |
 | Declined the 2026 club option of RHP Scott Barlow. Declined the 2026 mutual option of OF Austin Hays. Declined the 2026 club option of LHP Brent Suter. |
 | Claimed C Willie MacIver and RHP Michel Otanez from the Athletics. |
 | Acquired cash considerations from Seattle Mariners for RHP Cole Wilcox. |
 | Hired Cody Ashe as major league hitting coach. Hired Anthony Sanders as major league first base coach. |
 | RHP Anthony Maldonado and LHP Ben Bowden have cleared waivers and will elect free agency. Hired Bobby Crosby as third base coach. Hired Ryan Christenson as first base coach. |
 | Hired Jeremy Hefner as major league pitching coach. Hired Antoan Richardson as major league first base coach. |
 | Announced that RHP Shane Bieber has exercised his player option for the 2026 season. |
 | Acquired RHP Cole Wilcox from the Tampa Bay Rays in exchange for cash considerations. Reinstated INF Ryan Bliss and RHPs Gregory Santos and Trent Thornton from the 60-day IL. INF Jorge Polanco declined his 2026 player option. |
 | Exercised the 2026 club option for LHP Tim Hill and declined the 2026 club option for RHP Jonathan Loáisiga. |
 | Claimed RHP George Soriano off waivers from the Miami Marlins. Designated OF Daniel Johnson for assignment. |