Pirates Roster & Staff
Transactions
| Date | Transaction |
| 05/31/12 | Pittsburgh Pirates signed free agent OF Angelo Del Castillo to a minor league contract. |
| 05/31/12 | Pittsburgh Pirates signed free agent RHP Francis Rodriguez to a minor league contract. |
| 05/31/12 | Pittsburgh Pirates signed free agent OF Luis Benitez to a minor league contract. |
| 05/31/12 | Pittsburgh Pirates signed free agent OF Eduardo Figueroa to a minor league contract. |
| 05/31/12 | Pittsburgh Pirates signed free agent RHP Remy De Aza to a minor league contract. |
| 05/31/12 | Pittsburgh Pirates signed free agent LHP Luylli Miranda to a minor league contract. |
| 05/31/12 | Pittsburgh Pirates signed free agent RHP Cristian Santiago to a minor league contract. |
| 05/31/12 | Pittsburgh Pirates signed free agent 1B Julio Perez to a minor league contract. |
| 05/31/12 | Pittsburgh Pirates signed free agent SS Jesus Ronco to a minor league contract. |
| 05/31/12 | Pittsburgh Pirates signed free agent C Reggie Cerda to a minor league contract. |
| 05/31/12 | Pittsburgh Pirates released LF Nate McLouth. |
| 05/31/12 | Pittsburgh Pirates signed free agent 2B Pablo Reyes to a minor league contract. |
| 05/29/12 | Pittsburgh Pirates signed free agent RHP Kenn Kasparek to a minor league contract. |
| 05/29/12 | Pittsburgh Pirates optioned 3B Yamaico Navarro to Indianapolis Indians. |
| 05/29/12 | Pittsburgh Pirates signed free agent RHP Doug Salinas to a minor league contract. |
| 05/29/12 | Pittsburgh Pirates recalled Jordy Mercer from Indianapolis Indians. |
| 05/28/12 | Pittsburgh Pirates selected the contract of Doug Slaten from Indianapolis Indians. |
| 05/28/12 | Pittsburgh Pirates placed RHP Juan Cruz on the restricted list. |
| 05/25/12 | Pittsburgh Pirates recalled Matt Hague from Indianapolis Indians. |
| 05/25/12 | Pittsburgh Pirates designated LF Nate McLouth for assignment. |
| 05/24/12 | Pittsburgh Pirates signed free agent RHP Nathan Kilcrease to a minor league contract. |
| 05/23/12 | Pittsburgh Pirates activated RHP Jason Grilli from the bereavement list. |
| 05/23/12 | Pittsburgh Pirates optioned Jeff Locke to Indianapolis Indians. |
| 05/21/12 | Atlanta Braves traded 3B Drew Sutton to Pittsburgh Pirates for cash. |
| 05/21/12 | Pittsburgh Pirates traded 3B Drew Sutton to Tampa Bay Rays for cash. |
| 05/21/12 | Atlanta Braves traded 3B Drew Sutton to Pittsburgh Pirates for cash. |
| 05/21/12 | Pittsburgh Pirates traded 3B Drew Sutton to Tampa Bay Rays for cash. |
| 05/20/12 | Pittsburgh Pirates recalled Jeff Locke from Indianapolis Indians. |
| 05/20/12 | Pittsburgh Pirates placed RHP Jason Grilli on the bereavement list. |
| 05/18/12 | Pittsburgh Pirates optioned Evan Meek to Indianapolis Indians. |
| 05/18/12 | Pittsburgh Pirates recalled Gorkys Hernandez from Indianapolis Indians. |
| 05/16/12 | Pittsburgh Pirates recalled Evan Meek from Indianapolis Indians. |
| 05/16/12 | Pittsburgh Pirates optioned Alex Presley to Indianapolis Indians. |
| 05/13/12 | Daniel McCutchen roster status changed by Pittsburgh Pirates. |
| 05/13/12 | Joel Hanrahan roster status changed by Pittsburgh Pirates. |
| 05/12/12 | Boston Red Sox traded 1B Jeff Larish to Pittsburgh Pirates. |
| 05/12/12 | 1B Jeff Larish assigned to Indianapolis Indians from Pittsburgh Pirates. |
| 05/10/12 | Pittsburgh Pirates recalled RHP Daniel McCutchen from Indianapolis Indians. |
| 05/01/12 | Pittsburgh Pirates recalled Jared Hughes from Indianapolis Indians. |
| 05/01/12 | Pittsburgh Pirates optioned Evan Meek to Indianapolis Indians. |