Cubs Roster & Staff
Transactions
| Date | Transaction |
| 07/31/23 | Chicago Cubs reassigned RHP Jose Cuas to the minor leagues. |
| 07/31/23 | Chicago Cubs reassigned 3B Jeimer Candelario to the minor leagues. |
| 07/31/23 | Chicago Cubs signed free agent RHP Darian Rivero to a minor league contract. |
| 07/31/23 | Chicago Cubs traded OF Nelson Velázquez to Kansas City Royals for RHP Jose Cuas. |
| 07/31/23 | Washington Nationals traded 3B Jeimer Candelario and cash to Chicago Cubs for LHP DJ Herz and SS Kevin Made. |
| 07/31/23 | Chicago Cubs traded OF Nelson Velázquez to Kansas City Royals for RHP Jose Cuas. |
| 07/31/23 | Washington Nationals traded 3B Jeimer Candelario and cash to Chicago Cubs for LHP DJ Herz and SS Kevin Made. |
| 07/31/23 | Washington Nationals traded 3B Jeimer Candelario and cash to Chicago Cubs for LHP DJ Herz and SS Kevin Made. |
| 07/30/23 | Chicago Cubs sent 3B Edwin Ríos outright to Iowa Cubs. |
| 07/29/23 | Chicago Cubs activated 2B Nick Madrigal from the 10-day injured list. |
| 07/29/23 | Chicago Cubs optioned 2B Miles Mastrobuoni to Iowa Cubs. |
| 07/28/23 | Chicago Cubs recalled RHP Hayden Wesneski from Iowa Cubs. |
| 07/28/23 | Chicago Cubs optioned RHP Michael Rucker to Iowa Cubs. |
| 07/25/23 | Chicago Cubs signed RHP Sam Armstrong. |
| 07/25/23 | Chicago Cubs signed OF Zyhir Hope. |
| 07/25/23 | Chicago Cubs signed RHP Jaxon Wiggins. |
| 07/24/23 | Chicago Cubs signed free agent RHP Brayan Diaz to a minor league contract. |
| 07/24/23 | Chicago Cubs signed free agent RHP Jordi Romero to a minor league contract. |
| 07/24/23 | Chicago Cubs sent RHP Adrian Sampson outright to Iowa Cubs. |
| 07/22/23 | Chicago Cubs activated SS Dansby Swanson from the 10-day injured list. |
| 07/22/23 | Chicago Cubs optioned 2B Jared Young to Iowa Cubs. |
| 07/21/23 | Chicago Cubs sent 2B Nick Madrigal on a rehab assignment to Iowa Cubs. |
| 07/21/23 | Chicago Cubs signed free agent RHP Kenten Egbert to a minor league contract. |
| 07/21/23 | Chicago Cubs signed free agent RHP Landon Ginn to a minor league contract. |
| 07/19/23 | Chicago Cubs signed LHP Daniel Brown. |
| 07/19/23 | Chicago Cubs signed SS Josh Rivera. |
| 07/19/23 | Chicago Cubs signed 2B Carter Trice. |
| 07/19/23 | Chicago Cubs signed RHP Grayson Moore. |
| 07/19/23 | Chicago Cubs signed SS Yahil Melendez. |
| 07/19/23 | Chicago Cubs signed RHP Nick Dean. |
| 07/19/23 | Chicago Cubs signed RHP Ty Johnson. |
| 07/19/23 | Chicago Cubs signed RHP Will Sanders. |
| 07/19/23 | Chicago Cubs signed LHP Ethan Flanagan. |
| 07/19/23 | Chicago Cubs signed 3B Drew Bowser. |
| 07/16/23 | Chicago Cubs signed C Michael Carico. |
| 07/16/23 | Chicago Cubs signed OF Brett Bateman. |
| 07/16/23 | Chicago Cubs signed SS Matt Shaw. |
| 07/16/23 | Chicago Cubs signed RHP Luis Martinez-Gomez. |
| 07/16/23 | Chicago Cubs signed 3B Brian Kalmer. |
| 07/16/23 | Chicago Cubs signed OF Alfonsin Rosario. |
| 07/16/23 | Chicago Cubs signed 1B Jonathon Long. |
| 07/15/23 | Arizona Diamondbacks traded C P.J. Higgins to Chicago Cubs. |
| 07/08/23 | Chicago Cubs placed SS Dansby Swanson on the 10-day injured list retroactive to July 6, 2023. Left heel contusion. |
| 07/08/23 | Chicago Cubs recalled 2B Miles Mastrobuoni from Iowa Cubs. |
| 07/04/23 | Chicago Cubs activated 3B Patrick Wisdom from the 10-day injured list. |
| 07/04/23 | Chicago Cubs activated RHP Daniel Palencia. |
| 07/04/23 | Chicago Cubs sent RHP Adrian Sampson on a rehab assignment to Iowa Cubs. |
| 07/04/23 | Chicago Cubs optioned RHP Hayden Wesneski to Iowa Cubs. |
| 07/04/23 | Chicago Cubs selected the contract of RHP Daniel Palencia from Iowa Cubs. |