Cubs Roster & Staff
Transactions
| Date | Transaction |
| 08/25/09 | Chicago Cubs activated RHP Carlos Zambrano from the 15-day disabled list. |
| 08/25/09 | Chicago Cubs optioned Esmailin Caridad to Iowa Cubs. |
| 08/17/09 | Chicago Cubs optioned Justin Berg to Iowa Cubs. |
| 08/17/09 | Chicago Cubs activated LHP Ted Lilly from the 15-day disabled list. |
| 08/13/09 | Chicago Cubs optioned Jeff Samardzija to Iowa Cubs. |
| 08/13/09 | Chicago Cubs recalled Justin Berg from Iowa Cubs. |
| 08/10/09 | Chicago Cubs selected the contract of Esmailin Caridad from Iowa Cubs. |
| 08/10/09 | Chicago Cubs optioned Jeff Stevens to Iowa Cubs. |
| 08/08/09 | Chicago Cubs placed RHP Carlos Zambrano on the 15-day disabled list retroactive to August 2, 2009. muscle spasms in back |
| 08/08/09 | Chicago Cubs recalled Jeff Stevens from Iowa Cubs. |
| 08/07/09 | Chicago Cubs reassigned 1B Micah Hoffpauir to the minor leagues. |
| 08/07/09 | Chicago Cubs optioned Micah Hoffpauir to Iowa Cubs. |
| 08/07/09 | Chicago Cubs activated C Geovany Soto from the 15-day disabled list. |
| 08/06/09 | Sergio Burruel assigned to AZL Cubs from Chicago Cubs. |
| 08/05/09 | Aaron Miles roster status changed by Chicago Cubs. |
| 08/05/09 | Chicago Cubs optioned Jeff Stevens to Iowa Cubs. |
| 08/05/09 | Chicago Cubs released LHP Jason Waddell. |
| 08/05/09 | Austin Kirk assigned to AZL Cubs from Chicago Cubs. |
| 08/05/09 | Chicago Cubs signed OF Sergio Burruel. |
| 08/04/09 | Chicago Cubs placed 2B Andres Blanco on the 15-day disabled list. Left calf strain. |
| 08/04/09 | Chicago Cubs recalled Tom Gorzelanny from Iowa Cubs. |