Pirates Roster & Staff
Transactions
| Date | Transaction |
| 02/27/18 | LHP Cody Dickson assigned to Pittsburgh Pirates. |
| 02/27/18 | 3B Wyatt Mathisen assigned to Pittsburgh Pirates. |
| 02/26/18 | RHP Miguel Rosario assigned to Pittsburgh Pirates. |
| 02/25/18 | IF Ben Bengtson assigned to Pittsburgh Pirates. |
| 02/25/18 | OF Jerrick Suiter assigned to Pittsburgh Pirates. |
| 02/25/18 | OF Logan Hill assigned to Pittsburgh Pirates. |
| 02/25/18 | OF Michael Suchy assigned to Pittsburgh Pirates. |
| 02/24/18 | Pittsburgh Pirates signed free agent RHP Enmanuel De Los Santos to a minor league contract. |
| 02/24/18 | RHP Tate Scioneaux assigned to Pittsburgh Pirates. |
| 02/24/18 | RHP Bret Helton assigned to Pittsburgh Pirates. |
| 02/24/18 | Pittsburgh Pirates signed free agent LHP Kevin Siegrist to a minor league contract and invited him to spring training. |
| 02/23/18 | Pittsburgh Pirates released RF Michael Saunders. |
| 02/23/18 | C Raul Hernandez assigned to Pittsburgh Pirates. |
| 02/23/18 | RHP Logan Sendelbach assigned to Pittsburgh Pirates. |
| 02/23/18 | RHP Austin Coley assigned to Pittsburgh Pirates. |
| 02/23/18 | RHP Tanner Anderson assigned to Pittsburgh Pirates. |
| 02/23/18 | LHP Sean Keselica assigned to Pittsburgh Pirates. |
| 02/23/18 | RHP Johnny Hellweg assigned to Pittsburgh Pirates. |
| 02/22/18 | Tampa Bay Rays traded LF Corey Dickerson to Pittsburgh Pirates for RHP Daniel Hudson, 2B Tristan Gray and cash. |
| 02/22/18 | Tampa Bay Rays traded LF Corey Dickerson to Pittsburgh Pirates for RHP Daniel Hudson, 2B Tristan Gray and cash. |
| 02/22/18 | Tampa Bay Rays traded LF Corey Dickerson to Pittsburgh Pirates for RHP Daniel Hudson, 2B Tristan Gray and cash. |
| 02/21/18 | Pittsburgh Pirates signed free agent LF Fabricio Macias to a minor league contract. |
| 02/21/18 | Pittsburgh Pirates signed free agent RF Michael Saunders to a minor league contract and invited him to spring training. |
| 02/20/18 | Boston Red Sox traded LF Bryce Brentz to Pittsburgh Pirates for cash. |
| 02/20/18 | Pittsburgh Pirates placed RHP Nick Burdi on the 60-day disabled list. Recovery from Tommy John surgery. |
| 02/20/18 | Nik Turley changed number to 69. |
| 02/20/18 | Jose Osuna changed number to . |
| 02/19/18 | Pittsburgh Pirates signed free agent RHP Lizardy Dicent to a minor league contract. |
| 02/17/18 | Pittsburgh Pirates signed free agent RHP Willy Basil to a minor league contract. |
| 02/15/18 | Pittsburgh Pirates signed free agent OF Fernando Villegas to a minor league contract. |
| 02/09/18 | Pittsburgh Pirates signed free agent LF Daniel Nava to a minor league contract and invited him to spring training. |
| 02/03/18 | Pittsburgh Pirates signed free agent LHP Estalin Ortiz to a minor league contract. |