Cubs Roster & Staff
Transactions
| Date | Transaction |
| 10/02/23 | Chicago Cubs activated 2B Nico Hoerner from the 10-day injured list. |
| 10/02/23 | Chicago Cubs activated RHP Brad Boxberger from the 15-day injured list. |
| 10/02/23 | Chicago Cubs recalled RHP Caleb Kilian from Iowa Cubs. |
| 10/02/23 | Chicago Cubs recalled RHP Keegan Thompson from ACL Cubs. |
| 10/02/23 | Chicago Cubs recalled RHP Michael Rucker from Iowa Cubs. |
| 10/02/23 | Chicago Cubs recalled RHP Hayden Wesneski from ACL Cubs. |
| 10/02/23 | Chicago Cubs recalled CF Kevin Alcántara from Tennessee Smokies. |
| 10/02/23 | Chicago Cubs recalled RHP Ben Brown from Iowa Cubs. |
| 10/02/23 | Chicago Cubs recalled LHP Jordan Wicks from Iowa Cubs. |
| 10/02/23 | Chicago Cubs recalled RHP Jeremiah Estrada from Iowa Cubs. |
| 10/02/23 | Chicago Cubs recalled 1B Matt Mervis from Iowa Cubs. |
| 10/02/23 | Chicago Cubs recalled OF Brennen Davis from Iowa Cubs. |
| 10/01/23 | Chicago Cubs placed 2B Nico Hoerner on the 10-day injured list retroactive to September 30, 2023. Left knee contusion. |
| 10/01/23 | Chicago Cubs transferred RHP Michael Fulmer from the 15-day injured list to the 60-day injured list. Right forearm strain. |
| 10/01/23 | Chicago Cubs transferred 2B Nick Madrigal from the 10-day injured list to the 60-day injured list. Right hamstring strain. |
| 10/01/23 | Chicago Cubs optioned RHP Hayden Wesneski to ACL Cubs. |
| 10/01/23 | Chicago Cubs recalled 2B Jared Young from ACL Cubs. |
| 10/01/23 | Chicago Cubs selected the contract of RHP Shane Greene from Iowa Cubs. |
| 10/01/23 | Chicago Cubs optioned LHP Jordan Wicks to ACL Cubs. |
| 10/01/23 | Chicago Cubs selected the contract of RHP Tyler Duffey from Iowa Cubs. |