Pirates Roster & Staff
Transactions
| Date | Transaction |
| 08/31/11 | Pittsburgh Pirates traded cash and LF Matt Diaz to Atlanta Braves for Player To Be Named Later. |
| 08/31/11 | Pittsburgh Pirates traded cash and LF Matt Diaz to Atlanta Braves for Player To Be Named Later. |
| 08/30/11 | Pittsburgh Pirates released LHP Joe Beimel. |
| 08/25/11 | Chase d'Arnaud roster status changed by Pittsburgh Pirates. |
| 08/25/11 | Pittsburgh Pirates optioned Pedro Ciriaco to Indianapolis Indians. |
| 08/25/11 | Pittsburgh Pirates optioned Aaron Thompson to Indianapolis Indians. |
| 08/25/11 | Alex Presley roster status changed by Pittsburgh Pirates. |
| 08/24/11 | Pittsburgh Pirates placed LF Ryan Ludwick on the 15-day disabled list retroactive to August 23, 2011. Mid-back muscle spasms. |
| 08/24/11 | Pittsburgh Pirates selected the contract of Aaron Thompson from Indianapolis Indians. |
| 08/24/11 | RHP Mike Loree assigned to Altoona Curve from Pittsburgh Pirates. |
| 08/23/11 | Pittsburgh Pirates placed 1B Steve Pearce on the 15-day disabled list. Broken right index finger. |
| 08/23/11 | Pittsburgh Pirates recalled Ross Ohlendorf from Indianapolis Indians. |
| 08/23/11 | Pittsburgh Pirates recalled Pedro Ciriaco from Indianapolis Indians. |
| 08/23/11 | Pittsburgh Pirates designated LHP Joe Beimel for assignment. |
| 08/23/11 | Pittsburgh Pirates signed free agent RHP Mike Loree to a minor league contract. |
| 08/22/11 | Pittsburgh Pirates activated RHP Chris Leroux from the 15-day disabled list. |
| 08/22/11 | Pittsburgh Pirates placed RHP Kevin Correia on the 15-day disabled list retroactive to August 20, 2011. Strained left oblique |
| 08/22/11 | Pittsburgh Pirates signed free agent RHP Nelson Figueroa to a minor league contract. |
| 08/21/11 | Pittsburgh Pirates signed free agent RHP Aaron Heilman to a minor league contract. |
| 08/20/11 | Pittsburgh Pirates recalled Tony Watson from Indianapolis Indians. |
| 08/19/11 | Pittsburgh Pirates placed LHP Paul Maholm on the 15-day disabled list retroactive to August 18, 2011. Left shoulder strain. |
| 08/18/11 | Clay Holmes assigned to GCL Pirates from Pittsburgh Pirates. |
| 08/18/11 | Pittsburgh Pirates traded RHP Tim Wood to Texas Rangers. |
| 08/16/11 | Candon Myles assigned to GCL Pirates from Pittsburgh Pirates. |
| 08/16/11 | Jose Tabata roster status changed by Pittsburgh Pirates. |
| 08/16/11 | Pittsburgh Pirates optioned Pedro Alvarez to Indianapolis Indians. |
| 08/15/11 | Pittsburgh Pirates signed RHP Gerrit Cole. |
| 08/15/11 | Pittsburgh Pirates signed OF Josh Bell. |
| 08/15/11 | Pittsburgh Pirates signed RHP Clay Holmes. |
| 08/13/11 | Pittsburgh Pirates placed 1B Derrek Lee on the 15-day disabled list retroactive to August 10, 2011. Fractured left wrist. |
| 08/13/11 | Pittsburgh Pirates recalled Josh Harrison from Indianapolis Indians. |
| 08/13/11 | Pittsburgh Pirates signed CF Candon Myles. |
| 08/12/11 | Pittsburgh Pirates optioned Ross Ohlendorf to Indianapolis Indians. |
| 08/12/11 | Pittsburgh Pirates designated Tim Wood for assignment. |
| 08/09/11 | Rodarrick Jones assigned to GCL Pirates from Pittsburgh Pirates. |
| 08/09/11 | Tyler Glasnow assigned to GCL Pirates from Pittsburgh Pirates. |
| 08/08/11 | Pittsburgh Pirates released RHP Michael Crotta. |
| 08/06/11 | Pittsburgh Pirates signed OF Rodarrick Jones. |
| 08/06/11 | Pittsburgh Pirates signed RHP Tyler Glasnow. |
| 08/06/11 | Pittsburgh Pirates optioned Tony Watson to Indianapolis Indians. |
| 08/06/11 | Pittsburgh Pirates recalled Brad Lincoln from Indianapolis Indians. |
| 08/05/11 | Pittsburgh Pirates released 1B Lyle Overbay. |
| 08/03/11 | Pittsburgh Pirates signed RHP Jake Burnette. |
| 08/03/11 | Pittsburgh Pirates activated C Ryan Doumit from the 60-day disabled list. |
| 08/03/11 | Pittsburgh Pirates optioned C Eric Fryer to Indianapolis Indians. |
| 08/01/11 | Pittsburgh Pirates signed free agent RHP Jose Regalado to a minor league contract. |
| 08/01/11 | Pittsburgh Pirates optioned Pedro Ciriaco to Indianapolis Indians. |
| 08/01/11 | Pittsburgh Pirates designated 1B Lyle Overbay for assignment. |
| 08/01/11 | Pittsburgh Pirates activated LF Ryan Ludwick. |
| 08/01/11 | Pittsburgh Pirates activated 1B Derrek Lee. |