Pirates Roster & Staff
Transactions
| Date | Transaction |
| 07/31/10 | Pittsburgh Pirates traded Bobby Crosby, RHP D.J. Carrasco and RF Ryan Church to Arizona Diamondbacks for cash, C Chris Snyder and SS Pedro Ciriaco. |
| 07/31/10 | Pittsburgh Pirates traded LHP Javier Lopez to San Francisco Giants for RHP Joe Martinez and LF John Bowker. |
| 07/31/10 | Pittsburgh Pirates traded LHP Javier Lopez to San Francisco Giants for RHP Joe Martinez and LF John Bowker. |
| 07/31/10 | Pittsburgh Pirates Traded RHP Octavio Dotel to Los Angeles Dodgers; Los Angeles Dodgers Traded RHP James McDonald to Pittsburgh Pirates and Chattanooga Lookouts Traded LF Andrew Lambo to Altoona Curve. |
| 07/31/10 | Pittsburgh Pirates Traded RHP Octavio Dotel to Los Angeles Dodgers; Los Angeles Dodgers Traded RHP James McDonald to Pittsburgh Pirates and Chattanooga Lookouts Traded LF Andrew Lambo to Altoona Curve. |
| 07/31/10 | Pittsburgh Pirates optioned RHP Joe Martinez to Indianapolis Indians. |
| 07/31/10 | Pittsburgh Pirates optioned John Bowker to Indianapolis Indians. |
| 07/31/10 | Pittsburgh Pirates traded Bobby Crosby, RHP D.J. Carrasco and RF Ryan Church to Arizona Diamondbacks for cash, C Chris Snyder and SS Pedro Ciriaco. |
| 07/31/10 | Pittsburgh Pirates traded Bobby Crosby, RHP D.J. Carrasco and RF Ryan Church to Arizona Diamondbacks for cash, C Chris Snyder and SS Pedro Ciriaco. |
| 07/31/10 | Pittsburgh Pirates traded Bobby Crosby, RHP D.J. Carrasco and RF Ryan Church to Arizona Diamondbacks for cash, C Chris Snyder and SS Pedro Ciriaco. |
| 07/31/10 | Pittsburgh Pirates traded Bobby Crosby, RHP D.J. Carrasco and RF Ryan Church to Arizona Diamondbacks for cash, C Chris Snyder and SS Pedro Ciriaco. |
| 07/31/10 | Pittsburgh Pirates recalled Daniel McCutchen from Indianapolis Indians. |
| 07/31/10 | Pittsburgh Pirates recalled Jeff Clement from Indianapolis Indians. |
| 07/31/10 | OF Mitch Jones assigned to Indianapolis Indians from Pittsburgh Pirates. |
| 07/31/10 | Pittsburgh Pirates recalled Argenis Diaz from Indianapolis Indians. |
| 07/31/10 | Pittsburgh Pirates optioned Pedro Ciriaco to Indianapolis Indians. |
| 07/31/10 | Pittsburgh Pirates traded LHP Javier Lopez to San Francisco Giants for RHP Joe Martinez and LF John Bowker. |
| 07/31/10 | Pittsburgh Pirates traded Bobby Crosby, RHP D.J. Carrasco and RF Ryan Church to Arizona Diamondbacks for cash, C Chris Snyder and SS Pedro Ciriaco. |
| 07/30/10 | Atlanta Braves traded RF Mitch Jones to Pittsburgh Pirates. |
| 07/29/10 | Pittsburgh Pirates released RHP Brendan Donnelly. |
| 07/27/10 | Pittsburgh Pirates activated RHP Steven Jackson. |
| 07/27/10 | Pittsburgh Pirates selected the contract of LHP Wil Ledezma from Indianapolis Indians. |
| 07/27/10 | Pittsburgh Pirates recalled Steven Jackson from Indianapolis Indians. |
| 07/27/10 | Travis Chick assigned to Indianapolis Indians from Pittsburgh Pirates. |
| 07/26/10 | Pittsburgh Pirates optioned RHP Brad Lincoln to Indianapolis Indians. |
| 07/26/10 | Pittsburgh Pirates signed free agent RHP Travis Chick to a minor league contract. |
| 07/26/10 | Pittsburgh Pirates designated RHP Brendan Donnelly for assignment. |
| 07/22/10 | Pittsburgh Pirates recalled Jason Jaramillo from Indianapolis Indians. |
| 07/22/10 | Pittsburgh Pirates placed C Ryan Doumit on the 15-day disabled list. concussion |
| 07/20/10 | C Heriberto Figueroa assigned to DSL Pirates from Pittsburgh Pirates. |
| 07/20/10 | Pittsburgh Pirates signed free agent OF Yunior Aquiles to a minor league contract. |
| 07/20/10 | Pittsburgh Pirates signed free agent LHP Christian Henriquez to a minor league contract. |
| 07/20/10 | Pittsburgh Pirates signed free agent RHP Yunior Montero to a minor league contract. |
| 07/20/10 | Pittsburgh Pirates signed free agent OF Adrian De Aza to a minor league contract. |
| 07/20/10 | Pittsburgh Pirates signed free agent SS Rodney Polonia to a minor league contract. |
| 07/19/10 | Pittsburgh Pirates signed free agent C Heriberto Figueroa to a minor league contract. |
| 07/16/10 | Pittsburgh Pirates selected the contract of Erik Kratz from Indianapolis Indians. |
| 07/16/10 | Chris Jakubauskas roster status changed by Pittsburgh Pirates. |
| 07/15/10 | Mel Rojas assigned to State College Spikes from Pittsburgh Pirates. |
| 07/15/10 | Pittsburgh Pirates signed OF Mel Rojas. |
| 07/12/10 | Pittsburgh Pirates activated LHP Zach Duke from the 15-day disabled list. |
| 07/12/10 | Pittsburgh Pirates optioned Justin Thomas to Indianapolis Indians. |
| 07/12/10 | Pittsburgh Pirates optioned C Jason Jaramillo to Indianapolis Indians. |
| 07/10/10 | Logan Pevny assigned to GCL Pirates from Pittsburgh Pirates. |
| 07/10/10 | Kevin Kleis assigned to GCL Pirates from Pittsburgh Pirates. |
| 07/10/10 | Bryton Trepagnier assigned to GCL Pirates from Pittsburgh Pirates. |
| 07/09/10 | Pittsburgh Pirates signed Bryton Trepagnier. |
| 07/09/10 | Pittsburgh Pirates signed RHP Logan Pevny. |
| 07/09/10 | Pittsburgh Pirates signed RHP Kevin Kleis. |
| 07/08/10 | Daniel McCutchen assigned to Pittsburgh Pirates. |
| 07/08/10 | Sean Gallagher roster status changed by Pittsburgh Pirates. |
| 07/08/10 | Pittsburgh Pirates optioned Daniel McCutchen to Indianapolis Indians. |
| 07/07/10 | San Diego Padres traded RHP Sean Gallagher to Pittsburgh Pirates. |
| 07/06/10 | C Jordan Newton assigned to Bradenton Marauders from Pittsburgh Pirates. |
| 07/05/10 | Pittsburgh Pirates signed free agent C Jordan Newton to a minor league contract. |
| 07/03/10 | Matt Curry assigned to State College Spikes from Pittsburgh Pirates. |
| 07/02/10 | Pittsburgh Pirates signed 1B Matt Curry. |
| 07/02/10 | Pittsburgh Pirates optioned Charlie Morton to Indianapolis Indians. |
| 07/01/10 | Pittsburgh Pirates sent LHP Dana Eveland outright to Indianapolis Indians. |