Cubs Roster & Staff
Transactions
| Date | Transaction |
| 09/29/26 | RHP Jayden Murray roster status changed by Chicago Cubs. |
| 09/29/26 | LHP Jordan Wicks roster status changed by Chicago Cubs. |
| 09/29/26 | RHP Edward Cabrera roster status changed by Chicago Cubs. |
| 09/29/26 | LHP Caleb Thielbar roster status changed by Chicago Cubs. |
| 09/29/26 | 2B James Triantos roster status changed by Chicago Cubs. |
| 09/29/26 | RHP Julian Aguiar roster status changed by Chicago Cubs. |
| 09/29/26 | RHP Tyler Ferguson roster status changed by Chicago Cubs. |
| 09/29/26 | DH Kevin Alcántara roster status changed by Chicago Cubs. |
| 09/29/26 | RHP Gavin Hollowell roster status changed by Chicago Cubs. |
| 09/29/26 | CF Justin Dean roster status changed by Chicago Cubs. |
| 09/29/26 | RHP Ethan Roberts roster status changed by Chicago Cubs. |
| 09/29/26 | RHP Trent Thornton roster status changed by Chicago Cubs. |
| 09/29/26 | LHP Braxton Garrett roster status changed by Chicago Cubs. |
| 09/29/26 | 3B BJ Murray Jr. roster status changed by Chicago Cubs. |
| 09/29/26 | Chicago Cubs sent LHP Antoine Kelly outright to Iowa Cubs. |
| 09/28/26 | Chicago Cubs activated RHP Edward Cabrera. |
| 09/28/26 | Chicago Cubs activated RHP Trent Thornton from the 15-day injured list. |
| 09/28/26 | Chicago Cubs recalled RHP Julian Aguiar from ACL Cubs. |
| 09/28/26 | Chicago Cubs recalled RHP Gavin Hollowell from ACL Cubs. |
| 09/28/26 | Chicago Cubs recalled RHP Jayden Murray from Iowa Cubs. |
| 09/28/26 | Chicago Cubs recalled CF Justin Dean from Iowa Cubs. |
| 09/28/26 | Chicago Cubs recalled LHP Jordan Wicks from Iowa Cubs. |
| 09/28/26 | Chicago Cubs recalled 2B James Triantos from Iowa Cubs. |
| 09/28/26 | Chicago Cubs recalled RHP Ethan Roberts from Iowa Cubs. |
| 09/28/26 | Chicago Cubs recalled RHP Tyler Ferguson from Iowa Cubs. |
| 09/28/26 | Chicago Cubs recalled DH Kevin Alcántara from Iowa Cubs. |
| 09/28/26 | Chicago Cubs recalled 3B BJ Murray Jr. from Iowa Cubs. |
| 09/27/26 | Chicago Cubs recalled LHP Braxton Garrett from Iowa Cubs. |
| 09/27/26 | Chicago Cubs optioned RHP Gavin Hollowell to ACL Cubs. |
| 09/26/26 | Chicago Cubs designated LHP Antoine Kelly for assignment. |
| 09/26/26 | Chicago Cubs claimed RHP Julian Aguiar off waivers from Cincinnati Reds. |
| 09/26/26 | Chicago Cubs optioned RHP Julian Aguiar to ACL Cubs. |
| 09/25/26 | Chicago Cubs activated RHP Gavin Hollowell from the 15-day injured list. |
| 09/25/26 | RHP Edward Cabrera roster status changed by Chicago Cubs. |
| 09/20/26 | Chicago Cubs sent LHP Riley Martin on a rehab assignment to Iowa Cubs. |
| 09/20/26 | Chicago Cubs sent LHP Riley Martin on a rehab assignment to Iowa Cubs. |
| 09/18/26 | Chicago Cubs activated SS Dansby Swanson from the 10-day injured list. |
| 09/18/26 | Chicago Cubs optioned 3B BJ Murray Jr. to Iowa Cubs. |
| 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 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. |
| 09/02/26 | 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 selected the contract of 3B BJ Murray Jr. from Iowa Cubs. |
| 09/01/26 | Chicago Cubs recalled RHP Tyler Ferguson from Iowa Cubs. |