Cubs Roster & Staff
Transactions
| Date | Transaction |
| 06/29/23 | Chicago Cubs sent 3B Patrick Wisdom on a rehab assignment to Iowa Cubs. |
| 06/29/23 | Chicago Cubs signed free agent RHP Dalbert Mosquea to a minor league contract. |
| 06/28/23 | Chicago Cubs signed free agent C Vicent Nunez to a minor league contract. |
| 06/27/23 | Chicago Cubs transferred LHP Brandon Hughes from the 15-day injured list to the 60-day injured list. Left knee inflammation. |
| 06/27/23 | Chicago Cubs activated 2B Jared Young. |
| 06/27/23 | Chicago Cubs optioned 2B Miles Mastrobuoni to Iowa Cubs. |
| 06/27/23 | Chicago Cubs selected the contract of 2B Jared Young from Iowa Cubs. |
| 06/26/23 | Chicago Cubs optioned 3B Edwin Ríos to Iowa Cubs. |
| 06/25/23 | Chicago Cubs signed free agent RHP Shane Greene to a minor league contract. |
| 06/24/23 | Chicago Cubs sent RHP Adrian Sampson on a rehab assignment to ACL Cubs. |
| 06/24/23 | Chicago Cubs recalled 3B Edwin Ríos from Iowa Cubs. |
| 06/17/23 | Chicago Cubs activated LHP Justin Steele from the 15-day injured list. |
| 06/17/23 | Chicago Cubs placed 3B Patrick Wisdom on the 10-day injured list. Right wrist sprain. |
| 06/17/23 | Chicago Cubs optioned 3B Edwin Ríos to Iowa Cubs. |
| 06/16/23 | Chicago Cubs signed free agent RHP Tyler Duffey to a minor league contract. |
| 06/15/23 | Chicago Cubs optioned 1B Matt Mervis to Iowa Cubs. |
| 06/14/23 | Chicago Cubs sent 3B Edwin Ríos on a rehab assignment to Iowa Cubs. |
| 06/13/23 | Chicago Cubs sent 1B Cody Bellinger on a rehab assignment to Iowa Cubs. |
| 06/13/23 | Chicago Cubs transferred RHP Nick Burdi from the 15-day injured list to the 60-day injured list. Appendicitis. |
| 06/13/23 | Chicago Cubs placed LHP Brandon Hughes on the 15-day injured list retroactive to June 12, 2023. Left knee inflammation. |
| 06/13/23 | Chicago Cubs selected the contract of LHP Anthony Kay from Iowa Cubs. |
| 06/13/23 | Chicago Cubs recalled 2B Miles Mastrobuoni from Iowa Cubs. |
| 06/13/23 | Chicago Cubs optioned RHP Jeremiah Estrada to Iowa Cubs. |
| 06/12/23 | Chicago Cubs signed free agent IF Eriandys Ramon to a minor league contract. |
| 06/12/23 | Chicago Cubs signed free agent OF Alexey Lumpuy to a minor league contract. |
| 06/12/23 | Ramon Eriandys roster status changed by Chicago Cubs. |
| 06/12/23 | Ramon Eriandys assigned to Chicago Cubs. |
| 06/09/23 | Chicago Cubs placed 2B Nick Madrigal on the 10-day injured list. Right hamstring strain. |
| 06/09/23 | Chicago Cubs optioned 2B Miles Mastrobuoni to Iowa Cubs. |
| 06/09/23 | Chicago Cubs recalled 2B Nick Madrigal from Iowa Cubs. |
| 06/07/23 | Chicago Cubs placed 3B Edwin Ríos on the 10-day injured list retroactive to June 4, 2023. Left groin strain. |
| 06/07/23 | Chicago Cubs recalled RHP Michael Rucker from Iowa Cubs. |
| 06/04/23 | Chicago Cubs signed free agent RF Welington Santana to a minor league contract. |
| 06/04/23 | Chicago Cubs placed 3B Edwin Ríos on the 10-day injured list. |
| 06/03/23 | Chicago Cubs activated C Miguel Amaya. |
| 06/03/23 | Chicago Cubs signed free agent RF Francis Reynoso to a minor league contract. |
| 06/03/23 | Chicago Cubs signed free agent RHP Jeral Vizcaino to a minor league contract. |
| 06/03/23 | Chicago Cubs recalled C Miguel Amaya from Iowa Cubs. |
| 06/02/23 | Chicago Cubs traded RHP Vinny Nittoli to New York Mets for Future Considerations. |