Cubs Roster & Staff
Transactions
| Date | Transaction |
| 07/31/25 | Chicago Cubs placed C Miguel Amaya on the 60-day injured list. Left oblique strain. |
| 07/31/25 | LHP Taylor Rogers roster status changed by Chicago Cubs. |
| 07/31/25 | RHP Michael Soroka roster status changed by Chicago Cubs. |
| 07/31/25 | LF Willi Castro roster status changed by Chicago Cubs. |
| 07/31/25 | RHP Andrew Kittredge roster status changed by Chicago Cubs. |
| 07/31/25 | Chicago Cubs designated RHP Ryan Pressly for assignment. |
| 07/31/25 | Washington Nationals traded RHP Michael Soroka to Chicago Cubs for SS Ronny Cruz and LF Christian Franklin. |
| 07/31/25 | Pittsburgh Pirates traded LHP Taylor Rogers to Chicago Cubs for RF Ivan Brethowr. |
| 07/31/25 | Minnesota Twins traded LF Willi Castro to Chicago Cubs for RHP Sam Armstrong and RHP Ryan Gallagher. |
| 07/31/25 | Minnesota Twins traded LF Willi Castro to Chicago Cubs for RHP Sam Armstrong and RHP Ryan Gallagher. |
| 07/31/25 | Minnesota Twins traded LF Willi Castro to Chicago Cubs for RHP Sam Armstrong and RHP Ryan Gallagher. |
| 07/31/25 | Pittsburgh Pirates traded LHP Taylor Rogers to Chicago Cubs for RF Ivan Brethowr. |
| 07/31/25 | Baltimore Orioles traded RHP Andrew Kittredge to Chicago Cubs for SS Wilfri De La Cruz. |
| 07/31/25 | Baltimore Orioles traded RHP Andrew Kittredge to Chicago Cubs for SS Wilfri De La Cruz. |
| 07/31/25 | Washington Nationals traded RHP Michael Soroka to Chicago Cubs for SS Ronny Cruz and LF Christian Franklin. |
| 07/31/25 | Washington Nationals traded RHP Michael Soroka to Chicago Cubs for SS Ronny Cruz and LF Christian Franklin. |
| 07/30/25 | Chicago Cubs sent RHP Javier Assad on a rehab assignment to Iowa Cubs. |
| 07/30/25 | Chicago Cubs activated RHP Porter Hodge from the 15-day injured list. |
| 07/30/25 | Chicago Cubs designated 3B Vidal Bruján for assignment. |
| 07/30/25 | Chicago Cubs sent RHP Javier Assad on a rehab assignment to Iowa Cubs. |
| 07/30/25 | Chicago Cubs optioned RHP Porter Hodge to Iowa Cubs. |
| 07/30/25 | Chicago Cubs recalled C Moisés Ballesteros from Iowa Cubs. |
| 07/29/25 | Chicago Cubs reassigned RHP Porter Hodge to the minor leagues. |
| 07/29/25 | Chicago Cubs designated RHP Chris Flexen for assignment. |
| 07/29/25 | Chicago Cubs sent C Miguel Amaya on a rehab assignment to Iowa Cubs. |
| 07/29/25 | Chicago Cubs recalled RHP Gavin Hollowell from Iowa Cubs. |
| 07/26/25 | Chicago Cubs sent RHP Porter Hodge on a rehab assignment to Iowa Cubs. |
| 07/26/25 | Chicago Cubs sent RHP Porter Hodge on a rehab assignment to Iowa Cubs. |
| 07/25/25 | Chicago Cubs signed RHP Riely Hunsaker. |
| 07/25/25 | Chicago Cubs signed free agent SS Jose Silva to a minor league contract. |
| 07/25/25 | Chicago Cubs signed free agent RHP Braylon Myers to a minor league contract. |
| 07/24/25 | Chicago Cubs signed RHP Freddy Rodriguez. |
| 07/24/25 | Chicago Cubs signed OF Josiah Hartshorn. |
| 07/24/25 | Chicago Cubs signed C Logan Poteet. |
| 07/24/25 | Chicago Cubs signed RHP Connor Spencer. |
| 07/24/25 | Chicago Cubs sent RHP Javier Assad on a rehab assignment to ACL Cubs. |
| 07/24/25 | Chicago Cubs signed RHP Connor Knox. |
| 07/24/25 | Chicago Cubs signed RHP Nate Williams. |
| 07/24/25 | Chicago Cubs sent RHP Javier Assad on a rehab assignment to ACL Cubs. |
| 07/24/25 | Chicago Cubs signed RHP Kaemyn Franklin. |
| 07/24/25 | Chicago Cubs signed RHP Kaleb Wing. |
| 07/22/25 | Chicago Cubs signed free agent RHP Zach Pop to a minor league contract. |
| 07/22/25 | Chicago Cubs sent C Miguel Amaya on a rehab assignment to ACL Cubs. |
| 07/22/25 | Chicago Cubs signed RHP Aiden Moffett. |
| 07/22/25 | Chicago Cubs signed RHP Henry Cone. |
| 07/21/25 | Chicago Cubs signed RHP Noah Edders. |
| 07/21/25 | Chicago Cubs signed OF Kane Kepley. |
| 07/21/25 | Chicago Cubs signed OF Kade Snell. |
| 07/21/25 | Chicago Cubs signed OF Ethan Conrad. |
| 07/21/25 | Chicago Cubs signed RHP Dominick Reid. |
| 07/21/25 | Chicago Cubs signed LHP Colton Book. |
| 07/21/25 | Chicago Cubs signed LHP Pierce Coppola. |
| 07/21/25 | Chicago Cubs signed C Justin Stransky. |
| 07/21/25 | Chicago Cubs signed RHP Jake Knapp. |
| 07/21/25 | Chicago Cubs signed RHP Eli Jerzembeck. |
| 07/21/25 | Chicago Cubs optioned RHP Ethan Roberts to Iowa Cubs. |
| 07/21/25 | Chicago Cubs recalled RHP Ben Brown from Iowa Cubs. |
| 07/12/25 | Chicago Cubs signed free agent RHP Spencer Turnbull to a minor league contract. |
| 07/12/25 | Chicago Cubs selected the contract of RHP Brooks Kriske from Iowa Cubs. |
| 07/12/25 | Chicago Cubs optioned LHP Jordan Wicks to Iowa Cubs. |
| 07/10/25 | Chicago Cubs sent RHP Eli Morgan on a rehab assignment to ACL Cubs. |
| 07/09/25 | Chicago Cubs placed RHP Porter Hodge on the 15-day injured list. Right shoulder impingement. |
| 07/09/25 | Chicago Cubs recalled RHP Ethan Roberts from Iowa Cubs. |
| 07/04/25 | Chicago Cubs placed RHP Jameson Taillon on the 15-day injured list retroactive to July 1, 2025. Right calf strain. |
| 07/04/25 | Chicago Cubs recalled LHP Jordan Wicks from Iowa Cubs. |
| 07/03/25 | Chicago Cubs signed free agent RHP Ryan Jensen to a minor league contract. |