Pirates Roster & Staff
Transactions
| Date | Transaction |
| 09/16/26 | LHP Gregory Soto changed number to 31. |
| 09/16/26 | 2B Brandon Lowe changed number to 5. |
| 09/16/26 | RHP Bubba Chandler changed number to 36. |
| 09/16/26 | C Rafael Flores Jr. changed number to 43. |
| 09/16/26 | 1B Spencer Horwitz changed number to 2. |
| 09/16/26 | CF Billy Cook changed number to 25. |
| 09/16/26 | RHP Paul Skenes changed number to 30. |
| 09/16/26 | RHP Jared Jones changed number to 17. |
| 09/16/26 | 3B Nick Gonzales changed number to 3. |
| 09/16/26 | C Henry Davis changed number to 32. |
| 09/16/26 | RHP Yohan Ramírez changed number to 49. |
| 09/16/26 | RHP Carmen Mlodzinski changed number to 50. |
| 09/16/26 | SS Jared Triolo changed number to 19. |
| 09/16/26 | CF Oneil Cruz changed number to 15. |
| 09/16/26 | LF Bryan Reynolds changed number to 10. |
| 09/16/26 | RHP Antwone Kelly changed number to 62. |
| 09/16/26 | RHP Wilber Dotel changed number to 66. |
| 09/16/26 | LHP Mason Montgomery changed number to 46. |
| 09/16/26 | RF Ryan O'Hearn changed number to 29. |
| 09/16/26 | SS Konnor Griffin changed number to 6. |
| 09/16/26 | SS Jacob Gonzalez changed number to 26. |
| 09/16/26 | LHP Brandon Eisert changed number to 14. |
| 09/16/26 | CF Jake Mangum changed number to 28. |
| 09/16/26 | RHP Khristian Curtis changed number to 64. |
| 09/16/26 | RHP Luke Weaver changed number to 18. |
| 09/16/26 | RHP Lake Bachar changed number to 71. |
| 09/16/26 | 2B Ronny Simon changed number to 63. |
| 09/16/26 | RHP Camilo Doval changed number to 75. |
| 09/15/26 | 2B Ronny Simon changed number to 21. |
| 09/15/26 | SS Konnor Griffin changed number to 21. |
| 09/15/26 | LHP Brandon Eisert changed number to 21. |
| 09/15/26 | C Henry Davis changed number to 21. |
| 09/15/26 | LHP Mason Montgomery changed number to 21. |
| 09/15/26 | C Rafael Flores Jr. changed number to 21. |
| 09/15/26 | 1B Spencer Horwitz changed number to 21. |
| 09/15/26 | SS Jared Triolo changed number to 21. |
| 09/15/26 | CF Jake Mangum changed number to 21. |
| 09/15/26 | RHP Carmen Mlodzinski changed number to 21. |
| 09/15/26 | RHP Lake Bachar changed number to 21. |
| 09/15/26 | SS Jacob Gonzalez changed number to 21. |
| 09/15/26 | RHP Jared Jones changed number to 21. |
| 09/15/26 | RHP Yohan Ramírez changed number to 21. |
| 09/15/26 | RHP Wilber Dotel changed number to 21. |
| 09/15/26 | RHP Luke Weaver changed number to 21. |
| 09/15/26 | RHP Bubba Chandler changed number to 21. |
| 09/15/26 | CF Oneil Cruz changed number to 21. |
| 09/15/26 | LF Bryan Reynolds changed number to 21. |
| 09/15/26 | 3B Nick Gonzales changed number to 21. |
| 09/15/26 | 2B Brandon Lowe changed number to 21. |
| 09/15/26 | RHP Paul Skenes changed number to 21. |
| 09/15/26 | CF Billy Cook changed number to 21. |
| 09/15/26 | RHP Antwone Kelly changed number to 21. |
| 09/15/26 | LHP Gregory Soto changed number to 21. |
| 09/15/26 | RHP Camilo Doval changed number to 21. |
| 09/15/26 | RF Ryan O'Hearn changed number to 21. |
| 09/15/26 | RHP Khristian Curtis changed number to 21. |
| 09/12/26 | Pittsburgh Pirates placed RF Esmerlyn Valdez on the 10-day injured list. Left hamstring strain. |
| 09/12/26 | Pittsburgh Pirates recalled 2B Ronny Simon from Indianapolis Indians. |
| 09/11/26 | Pittsburgh Pirates activated RF Ryan O'Hearn from the 10-day injured list. |
| 09/11/26 | Pittsburgh Pirates optioned 2B Ronny Simon to Indianapolis Indians. |
| 09/10/26 | Pittsburgh Pirates placed RHP Braxton Ashcraft on the 15-day injured list retroactive to September 7, 2026. Right arm discomfort. |
| 09/10/26 | Pittsburgh Pirates recalled RHP Antwone Kelly from Indianapolis Indians. |
| 09/08/26 | Pittsburgh Pirates placed RHP Isaac Mattson on the 15-day injured list. Right hip impingement. |
| 09/08/26 | Pittsburgh Pirates sent RF Ryan O'Hearn on a rehab assignment to Indianapolis Indians. |
| 09/08/26 | Pittsburgh Pirates recalled LHP Brandon Eisert from Indianapolis Indians. |
| 09/07/26 | Pittsburgh Pirates sent C Christian Bethancourt outright to Indianapolis Indians. |
| 09/06/26 | Pittsburgh Pirates recalled 2B Ronny Simon from Indianapolis Indians. |
| 09/06/26 | Pittsburgh Pirates optioned 3B Nick Yorke to Indianapolis Indians. |
| 09/05/26 | Pittsburgh Pirates signed free agent RHP Jean Cabrera to a minor league contract. |
| 09/04/26 | Pittsburgh Pirates activated SS Konnor Griffin from the 60-day injured list. |
| 09/04/26 | Pittsburgh Pirates signed free agent LF Kyler Fedko to a minor league contract. |
| 09/04/26 | Pittsburgh Pirates designated C Christian Bethancourt for assignment. |
| 09/04/26 | Pittsburgh Pirates recalled RHP Isaac Mattson from Indianapolis Indians. |
| 09/04/26 | Pittsburgh Pirates optioned LHP Brandon Eisert to Indianapolis Indians. |
| 09/03/26 | Pittsburgh Pirates placed RHP Kirby Yates on the 15-day injured list retroactive to August 31, 2026. Right shoulder impingement. |
| 09/03/26 | Pittsburgh Pirates optioned LHP Evan Sisk to Indianapolis Indians. |
| 09/03/26 | Pittsburgh Pirates recalled RHP Khristian Curtis from Indianapolis Indians. |
| 09/03/26 | Pittsburgh Pirates recalled RHP Wilber Dotel from Indianapolis Indians. |
| 09/01/26 | Pittsburgh Pirates signed free agent C Jose Herrera to a minor league contract. |
| 09/01/26 | Pittsburgh Pirates sent SS Konnor Griffin on a rehab assignment to Indianapolis Indians. |
| 09/01/26 | Pittsburgh Pirates transferred C Endy Rodríguez from the 10-day injured list to the 60-day injured list. Left hip inflammation. |
| 09/01/26 | Pittsburgh Pirates selected the contract of C Christian Bethancourt from Indianapolis Indians. |
| 09/01/26 | Pittsburgh Pirates recalled LHP Brandon Eisert from Indianapolis Indians. |