Pirates Roster & Staff
Transactions
| Date | Transaction |
| 09/29/09 | Pittsburgh Pirates activated RHP Anthony Claggett. |
| 09/24/09 | Pittsburgh Pirates claimed RHP Anthony Claggett off waivers from New York Yankees. |
| 09/24/09 | Pittsburgh Pirates transferred RHP Jose Ascanio from the 15-day disabled list to the 60-day disabled list. |
| 09/09/09 | Pittsburgh Pirates activated RHP Jeff Karstens from the 15-day disabled list. |
| 09/08/09 | Pittsburgh Pirates recalled Brian Bixler from Indianapolis Indians. |
| 09/08/09 | Pittsburgh Pirates recalled Robinzon Diaz from Indianapolis Indians. |
| 09/08/09 | Pittsburgh Pirates recalled Eric Hacker from Indianapolis Indians. |
| 09/08/09 | Donnie Veal roster status changed by Pittsburgh Pirates. |
| 09/02/09 | Oakland Athletics claimed RHP Jon Meloan off waivers from Pittsburgh Pirates. |
| 09/02/09 | Pittsburgh Pirates traded C Joel Collins to San Francisco Giants. |
| 09/01/09 | Jeff Inman assigned to State College Spikes from Pittsburgh Pirates. |
| 09/01/09 | Colton Cain assigned to Pirates Extended Spring Training from Pittsburgh Pirates. |
| 09/01/09 | Pittsburgh Pirates recalled Neil Walker from Indianapolis Indians. |
| 09/01/09 | Pittsburgh Pirates recalled Virgil Vasquez from Indianapolis Indians. |