Cubs Roster & Staff
Transactions
| Date | Transaction |
| 09/12/26 | Chicago Cubs placed RHP Trent Thornton on the 15-day injured list. Left ankle sprain. |
| 09/12/26 | Chicago Cubs activated RHP Edward Cabrera from the 15-day injured list. |
| 09/05/26 | Chicago Cubs sent RHP Gavin Hollowell on a rehab assignment to Iowa Cubs. |
| 09/05/26 | Chicago Cubs optioned RHP Tyler Ferguson to Iowa Cubs. |
| 09/05/26 | Chicago Cubs recalled RHP Javier Assad from Iowa Cubs. |
| 09/02/26 | Chicago Cubs sent LHP Justin Steele on a rehab assignment to Iowa Cubs. |
| 09/01/26 | Chicago Cubs sent RHP Edward Cabrera on a rehab assignment to Iowa Cubs. |
| 09/01/26 | Chicago Cubs sent RHP Edward Cabrera on a rehab assignment to Iowa Cubs. |
| 09/01/26 | Chicago Cubs sent RHP Edward Cabrera on a rehab assignment to Iowa Cubs. |
| 09/01/26 | Chicago Cubs recalled RHP Tyler Ferguson from Iowa Cubs. |
| 09/01/26 | Chicago Cubs selected the contract of 3B BJ Murray Jr. from Iowa Cubs. |