2019 Transactions
| # | DATE | ADD/DEL | PLAYER | TO | FROM |
|---|---|---|---|---|---|
| 1 | 4/4 | DEL | OF Wynton Bernard | Injured List | Iowa Cubs |
| 2 | 4/4 | DEL | P Alberto Baldonado | Injured List | Iowa Cubs |
| 3 | 4/6 | DEL | P Kyle Ryan | Chicago Cubs | Iowa Cubs |
| 4 | 4/6 | DEL | P Allen Webster | Chicago Cubs | Iowa Cubs |
| 5 | 4/6 | ADD | P Brad Markey | Iowa Cubs | Eugene Emeralds |
| 6 | 4/6 | ADD | P Ryan Williams | Iowa Cubs | Eugene Emeralds |
| 7 | 4/8 | ADD | P Trevor Clifton | Iowa Cubs | Extended Spring |
| 8 | 4/8 | ADD | P Carl Edwards Jr. | Iowa Cubs | Chicago Cubs |
| 9 | 4/8 | DEL | P Brad Markey | Injured List | Iowa Cubs |
| 10 | 4/8 | DEL | P Ryan Williams | Injured List | Iowa Cubs |
| 11 | 4/10 | DEL | P Tim Collins | Chicago Cubs | Iowa Cubs |
| 12 | 4/10 | DEL | INF Cristhian Adames | Injured List | Iowa Cubs |
| 13 | 4/10 | DEL | INF Zack Short | Injured List | Iowa Cubs |
| 14 | 4/11 | ADD | P Alberto Baldonado | Iowa Cubs | Injured List |
| 15 | 4/11 | ADD | OF Wynton Bernard | Iowa Cubs | Injured List |
| 16 | 4/11 | ADD | INF Vimael Machin | Iowa Cubs | Tennesee Smokies |
| 17 | 4/12 | DEL | C Taylor Davis | Chicago Cubs | Iowa Cubs |
| 18 | 4/12 | ADD | C Erick Castillo | Iowa Cubs | Tennessee Smokies |
| 19 | 4/14 | DEL | P Brad Markey | Tennessee Smokies | Iowa Cubs |
| 20 | 4/17 | DEL | C Erick Castillo | Tennessee Smokies | Iowa Cubs |
| 21 | 4/17 | ADD | C Ian Rice | Iowa Cubs | Tennessee Smokies |
| 22 | 4/17 | DEL | P Carl Edwards Jr. | Injured List | Iowa Cubs |
| 23 | 4/17 | ADD | P Alec Mills | Iowa Cubs | Exended Spring |
| 24 | 4/19 | DEL | P Matt Carasiti | Temp. Inactive | Iowa Cubs |
| 25 | 4/20 | ADD | P Ryan Williams | Iowa Cubs | Injured List |
| 26 | 4/21 | DEL | P Alec Mills | Chicago Cubs | Iowa Cubs |
| 27 | 4/21 | ADD | INF Cristhian Adames | Iowa Cubs | Injured List |
| 28 | 4/21 | ADD | P Tony Barnette | Iowa Cubs (MLR) | Chicago Cubs (IL) |
| 29 | 4/24 | DEL | OF Zach Borenstein | Released | Iowa Cubs |
| 30 | 4/24 | ADD | INF Addison Russell | Iowa Cubs (MLR) | Chicago Cubs (Restricted) |
| 31 | 4/24 | ADD | P Carl Edwards Jr. | Iowa Cubs | injured List |
| 32 | 4/26 | ADD | P Alec Mills | Iowa Cubs | Chicago Cubs |
| 33 | 4/26 | ADD | P Matt Carasiti | Iowa Cubs | Temp. Inactive |
| 34 | 4/26 | DEL | INF Vimael Machin | Tennessee Smokies | Iowa Cubs |
| 35 | 4/26 | DEL | P Dillon Maples | Chicago Cubs | Iowa Cubs |
| 36 | 4/28 | ADD | P Mike Montgomery | Iowa Cubs (MLR) | Chicago Cubs (IL) |
| 37 | 4/28 | DEL | P Duncan Robinson | Injured List | Iowa Cubs |
| 38 | 4/28 | ADD | P Tim Collins | Iowa Cubs | Chicago Cubs |
| 39 | 4/28 | DEL | P Ryan Williams | Injured List | Iowa Cubs |
| 40 | 4/28 | ADD | P Randy Rosario | Iowa Cubs | Chicago Cubs |
| 41 | 5/1 | DEL | INF Addison Russell | End of MLR | Iowa Cubs |
| 42 | 5/2 | ADD | INF Addison Russell | Iowa Cubs | Optioned following MLR |
| 43 | 5/3 | DEL | INF Cristhian Adames | Injured List | Iowa Cubs |
| 44 | 5/3 | DEL | P Tony Barnette | End of MLR | Iowa Cubs |
| 45 | 5/4 | ADD | P Xavier Cedeño | Iowa Cubs (MLR) | Tennessee Smokies (MLR) |
| 46 | 5/6 | ADD | OF Jacob Hannemann | Iowa Cubs | Extended Spring |
| 47 | 5/6 | DEL | P Carl Edwards Jr. | Chicago Cubs | Iowa Cubs |
| 48 | 5/8 | DEL | INF Addison Russell | Chicago Cubs | Iowa Cubs |
| 49 | 5/8 | DEL | P Mike Montgomery | Chicago Cubs (end of MLR) | Iowa Cubs |
| 50 | 5/9 | ADD | INF Robel Garcia | Iowa Cubs | Tennessee Smokies |
| 51 | 5/11 | DEL | P Xavier Cedeño | Chicago Cubs (end of MLR) | Iowa Cubs |
| 52 | 5/11 | ADD | C Victor Caratini | Iowa Cubs (MLR) | Chicago Cubs (IL) |