Pirates Roster & Staff
Transactions
| Date | Transaction |
| 07/31/15 | Pittsburgh Pirates recalled Bobby LaFromboise from Indianapolis Indians. |
| 07/31/15 | Pittsburgh Pirates activated RHP Joakim Soria. |
| 07/31/15 | Pittsburgh Pirates placed RHP A.J. Burnett on the 15-day disabled list. Right elbow inflammation |
| 07/31/15 | Pittsburgh Pirates designated RHP Deolis Guerra for assignment. |
| 07/31/15 | Los Angeles Dodgers traded 1B Michael Morse and cash to Pittsburgh Pirates for RF Jose Tabata. |
| 07/31/15 | Seattle Mariners traded LHP J.A. Happ to Pittsburgh Pirates for RHP Adrian Sampson. |
| 07/31/15 | Los Angeles Dodgers traded 1B Michael Morse and cash to Pittsburgh Pirates for RF Jose Tabata. |
| 07/31/15 | Seattle Mariners traded LHP J.A. Happ to Pittsburgh Pirates for RHP Adrian Sampson. |
| 07/30/15 | Pittsburgh Pirates activated RHP Joe Blanton. |
| 07/30/15 | Pittsburgh Pirates sent CF Gorkys Hernandez outright to Indianapolis Indians. |
| 07/30/15 | Detroit Tigers traded RHP Joakim Soria to Pittsburgh Pirates for SS JaCoby Jones. |
| 07/30/15 | Pittsburgh Pirates designated RHP Vance Worley for assignment. |
| 07/30/15 | Detroit Tigers traded RHP Joakim Soria to Pittsburgh Pirates for SS JaCoby Jones. |
| 07/30/15 | Pittsburgh Pirates traded SS Justin Sellers to Chicago White Sox. |
| 07/29/15 | Kansas City Royals traded RHP Joe Blanton to Pittsburgh Pirates for cash. |
| 07/29/15 | Pittsburgh Pirates traded LHP Jayson Aquino to Cleveland Indians for cash. |
| 07/28/15 | 3B Brent Morel elected free agency. |
| 07/27/15 | Pittsburgh Pirates sent 2B Steve Lombardozzi outright to Indianapolis Indians. |
| 07/25/15 | Pedro Florimon changed number to 23. |
| 07/25/15 | Pittsburgh Pirates designated 3B Brent Morel for assignment. |
| 07/25/15 | Pittsburgh Pirates activated 3B Aramis Ramirez. |
| 07/25/15 | Pittsburgh Pirates sent SS Justin Sellers outright to Indianapolis Indians. |
| 07/23/15 | Pittsburgh Pirates designated 2B Steve Lombardozzi for assignment. |
| 07/23/15 | Milwaukee Brewers traded 3B Aramis Ramirez and cash to Pittsburgh Pirates for RHP Yhonathan Barrios. |
| 07/23/15 | Milwaukee Brewers traded 3B Aramis Ramirez and cash to Pittsburgh Pirates for RHP Yhonathan Barrios. |
| 07/22/15 | Pittsburgh Pirates selected the contract of SS Pedro Florimon from Indianapolis Indians. |
| 07/22/15 | Pittsburgh Pirates optioned RHP Wilfredo Boscan to Indianapolis Indians. |
| 07/22/15 | Pittsburgh Pirates designated LHP Jayson Aquino for assignment. |
| 07/22/15 | Pittsburgh Pirates sent CF Gorkys Hernandez on a rehab assignment to Indianapolis Indians. |
| 07/21/15 | Pittsburgh Pirates sent RF Andrew Lambo on a rehab assignment to GCL Pirates. |
| 07/20/15 | Pittsburgh Pirates transferred 1B Corey Hart from the 15-day disabled list to the 60-day disabled list. Left shoulder impingement. |
| 07/20/15 | Pittsburgh Pirates selected the contract of 3B Brent Morel from Indianapolis Indians. |
| 07/20/15 | Pittsburgh Pirates placed SS Jordy Mercer on the 15-day disabled list. Left knee MCL sprain |
| 07/19/15 | Pittsburgh Pirates placed CF Gorkys Hernandez on the 15-day disabled list retroactive to July 13, 2015. Left shoulder discomfort. |
| 07/19/15 | Pittsburgh Pirates recalled Wilfredo Boscan from Indianapolis Indians. |
| 07/17/15 | Pittsburgh Pirates recalled Jaff Decker from Indianapolis Indians. |
| 07/17/15 | Pittsburgh Pirates signed free agent RHP Jake Thompson to a minor league contract. |
| 07/16/15 | Pittsburgh Pirates signed OF Ryan Nagle. |
| 07/16/15 | Pittsburgh Pirates signed LHP Brandon Waddell. |
| 07/14/15 | Pittsburgh Pirates signed free agent OF Carlos Garcia to a minor league contract. |
| 07/14/15 | Pittsburgh Pirates signed free agent 2B Francisco Mepris to a minor league contract. |
| 07/13/15 | Pittsburgh Pirates optioned RHP Wilfredo Boscan to Indianapolis Indians. |
| 07/13/15 | Pittsburgh Pirates signed RHP James Marvel. |
| 07/12/15 | Pittsburgh Pirates recalled Wilfredo Boscan from Indianapolis Indians. |
| 07/12/15 | Pittsburgh Pirates optioned 2B Steve Lombardozzi to Indianapolis Indians. |
| 07/10/15 | Pittsburgh Pirates signed RHP Tate Scioneaux. |
| 07/10/15 | Pittsburgh Pirates signed LHP Ike Schlabach. |
| 07/06/15 | Pittsburgh Pirates placed 3B Josh Harrison on the 15-day disabled list. Left thumb injury |
| 07/06/15 | Pittsburgh Pirates activated 1B Travis Ishikawa. |
| 07/06/15 | Pittsburgh Pirates sent SS Justin Sellers on a rehab assignment to GCL Pirates. |
| 07/05/15 | Pittsburgh Pirates claimed 1B Travis Ishikawa off waivers from San Francisco Giants. |
| 07/03/15 | Pittsburgh Pirates traded LHP Clayton Richard to Chicago Cubs for cash. |
| 07/02/15 | Pittsburgh Pirates signed free agent RHP Yeudry Manzanillo to a minor league contract. |
| 07/02/15 | Pittsburgh Pirates signed free agent LHP Luis Diaz to a minor league contract. |
| 07/02/15 | Pittsburgh Pirates signed free agent C Samuel Inoa to a minor league contract. |
| 07/02/15 | Pittsburgh Pirates signed free agent RHP Leandro Pina to a minor league contract. |
| 07/02/15 | Pittsburgh Pirates signed free agent 3B Sherten Apostel to a minor league contract. |
| 07/02/15 | Pittsburgh Pirates signed free agent RHP Kleiner Machado to a minor league contract. |
| 07/02/15 | Pittsburgh Pirates sent RHP Chris Volstad outright to Indianapolis Indians. |
| 07/02/15 | Pittsburgh Pirates signed free agent LHP Raymundo Pena to a minor league contract. |
| 07/02/15 | Pittsburgh Pirates signed free agent OF Larry Alcime to a minor league contract. |
| 07/02/15 | Pittsburgh Pirates signed free agent SS Kyle Simmons to a minor league contract. |
| 07/02/15 | Pittsburgh Pirates signed free agent OF Kevin Sanchez to a minor league contract. |