Iowa Cubs Roster & Staff
Iowa Transactions
| Date | Transaction |
| 06/30/25 | RHP Michael Fulmer elected free agency. |
| 06/29/25 | Chicago Cubs sent RHP Michael Fulmer outright to Iowa Cubs. |
| 06/28/25 | Iowa Cubs activated RHP Gavin Hollowell from the 7-day injured list. |
| 06/28/25 | Iowa Cubs transferred LHP Brandon Hughes to the Development List. |
| 06/27/25 | Iowa Cubs transferred RHP Tommy Romero to the Development List. |
| 06/26/25 | Iowa Cubs activated RHP Keegan Thompson from the 7-day injured list. |
| 06/25/25 | Iowa Cubs placed RHP Jack Neely on the 7-day injured list. |
| 06/25/25 | Iowa Cubs placed RHP Jack Neely on the 7-day injured list. |
| 06/24/25 | LHP Génesis Cabrera elected free agency. |
| 06/24/25 | Iowa Cubs sent RHP Chris Clarke on a rehab assignment to Knoxville Smokies. |
| 06/24/25 | Iowa Cubs activated 3B James Triantos from the 7-day injured list. |
| 06/24/25 | Chicago Cubs optioned RHP Ben Brown to Iowa Cubs. |
| 06/23/25 | Chicago Cubs selected the contract of RHP Michael Fulmer from Iowa Cubs. |
| 06/23/25 | Chicago Cubs optioned RHP Nate Pearson to Iowa Cubs. |
| 06/23/25 | Chicago Cubs sent LHP Génesis Cabrera outright to Iowa Cubs. |
| 06/21/25 | Chicago Cubs recalled RHP Nate Pearson from Iowa Cubs. |
| 06/20/25 | Chicago Cubs sent LHP Shota Imanaga on a rehab assignment to Iowa Cubs. |
| 06/20/25 | Chicago Cubs sent LHP Shota Imanaga on a rehab assignment to Iowa Cubs. |
| 06/19/25 | Iowa Cubs activated LHP Jordan Wicks from the 7-day injured list. |
| 06/19/25 | Iowa Cubs sent RHP Brandon Birdsell on a rehab assignment to ACL Cubs. |
| 06/19/25 | Iowa Cubs transferred RHP Will Sanders to the Development List. |
| 06/17/25 | Chicago Cubs sent RHP Eli Morgan on a rehab assignment to Iowa Cubs. |
| 06/16/25 | Iowa Cubs placed RHP Kohl Franklin on the 60-day injured list. |
| 06/15/25 | RHP Frankie Scalzo Jr. assigned to Knoxville Smokies from Iowa Cubs. |
| 06/13/25 | Chicago Cubs sent RHP Porter Hodge on a rehab assignment to Iowa Cubs. |
| 06/13/25 | Chicago Cubs sent RHP Porter Hodge on a rehab assignment to Iowa Cubs. |
| 06/12/25 | Iowa Cubs placed RHP Gavin Hollowell on the 7-day injured list retroactive to June 5, 2025. |
| 06/12/25 | Iowa Cubs sent 3B James Triantos on a rehab assignment to South Bend Cubs. |
| 06/11/25 | Chicago Cubs sent RHP Tyson Miller outright to Iowa Cubs. |
| 06/10/25 | CF Greg Allen assigned to Iowa Cubs. |
| 06/10/25 | Iowa Cubs sent RHP Chris Clarke on a rehab assignment to Myrtle Beach Pelicans. |
| 06/10/25 | Iowa Cubs transferred C Caleb Knight to the Development List. |
| 06/08/25 | Iowa Cubs placed RHP Peter Solomon on the 7-day injured list. |
| 06/08/25 | Iowa Cubs activated RHP Frankie Scalzo Jr.. |
| 06/08/25 | Iowa Cubs placed RHP Peter Solomon on the 7-day injured list. |
| 06/05/25 | RHP Jake Woodford assigned to Iowa Cubs. |
| 06/05/25 | Iowa Cubs transferred RHP Frankie Scalzo Jr. to the Development List. |
| 06/05/25 | Chicago Cubs sent RHP Brooks Kriske outright to Iowa Cubs. |
| 06/03/25 | Iowa Cubs released CF Greg Allen. |
| 06/03/25 | OF Darius Hill assigned to Iowa Cubs from Knoxville Smokies. |
| 06/01/25 | Iowa Cubs activated RHP Peter Solomon from the 7-day injured list. |
| 06/01/25 | Iowa Cubs placed 3B James Triantos on the 7-day injured list. |