Overview
- Cincinnati added SS Edwin Arroyo, OF Héctor Rodríguez and INF Leonardo Balcazar to its 40-man roster and designated RHP Carson Spiers for assignment to open space.
- Philadelphia protected RHP Andrew Painter, RHP Alex McFarlane and OF Gabriel Rincones Jr., keeping a top arm coming off Tommy John surgery in the fold.
- Washington placed LHP Jake Bennett, RHP Riley Cornelio and OF Christian Franklin on its 40-man after notable 2025 performances and promotions.
- Chicago added INF/OF James Triantos, LHP Riley Martin and INF Pedro Ramírez, while Kansas City selected RHP Ben Kudrna and RHP Steven Zobac and left Frank Mozzicato and Gavin Cross unprotected.
- Detroit protected C Thayron Liranzo, INF Hao‑Yu Lee, LHP Jake Miller, UT Trei Cruz and C/1B Eduardo Valencia after a wave of DFAs, while San Francisco and Atlanta made no additions.