Cubs Roster & Staff
Transactions
| Date | Transaction |
| 05/06/26 | Chicago Cubs designated LHP Charlie Barnes for assignment. |
| 05/06/26 | Chicago Cubs placed LHP Matthew Boyd on the 15-day injured list retroactive to May 4, 2026. Left meniscus injury. |
| 05/06/26 | Chicago Cubs sent RHP Yacksel Ríos outright to Iowa Cubs. |
| 05/06/26 | Chicago Cubs selected the contract of RHP Trent Thornton from Iowa Cubs. |
| 05/04/26 | Chicago Cubs signed free agent RHP Vince Velasquez to a minor league contract. |
| 05/03/26 | Chicago Cubs activated RHP Daniel Palencia. |
| 05/03/26 | Chicago Cubs designated RHP Yacksel Ríos for assignment. |
| 05/03/26 | Chicago Cubs sent 3B Ben Cowles outright to Iowa Cubs. |
| 05/03/26 | Chicago Cubs optioned LHP Luis Peralta to Iowa Cubs. |
| 05/03/26 | Chicago Cubs claimed LHP Luis Peralta off waivers from St. Louis Cardinals. |
| 05/01/26 | Chicago Cubs sent RHP Daniel Palencia on a rehab assignment to Iowa Cubs. |