Pirates Roster & Staff
Transactions
| Date | Transaction |
| 01/31/20 | Pittsburgh Pirates signed free agent LHP Derek Holland to a minor league contract and invited him to spring training. |
| 01/31/20 | Pittsburgh Pirates signed free agent SS JT Riddle. |
| 01/31/20 | Pittsburgh Pirates signed free agent C Andrew Susac to a minor league contract and invited him to spring training. |
| 01/31/20 | Pittsburgh Pirates signed free agent LHP Robbie Erlin to a minor league contract and invited him to spring training. |
| 01/31/20 | Pittsburgh Pirates signed free agent RF Charlie Tilson to a minor league contract and invited him to spring training. |
| 01/27/20 | Arizona Diamondbacks traded RHP Brennan Malone and SS Liover Peguero to Pittsburgh Pirates for cash and CF Starling Marte. |
| 01/27/20 | Arizona Diamondbacks traded RHP Brennan Malone and SS Liover Peguero to Pittsburgh Pirates for cash and CF Starling Marte. |
| 01/27/20 | Arizona Diamondbacks traded RHP Brennan Malone and SS Liover Peguero to Pittsburgh Pirates for cash and CF Starling Marte. |
| 01/20/20 | Pittsburgh Pirates invited non-roster OF Jared Oliva to spring training. |
| 01/20/20 | Pittsburgh Pirates invited non-roster C Christian Kelley to spring training. |
| 01/20/20 | Pittsburgh Pirates invited non-roster C Jason Delay to spring training. |
| 01/20/20 | Pittsburgh Pirates invited non-roster RHP Nick Mears to spring training. |
| 01/20/20 | Pittsburgh Pirates invited non-roster RHP Tom Koehler to spring training. |
| 01/20/20 | Pittsburgh Pirates invited non-roster LHP Nik Turley to spring training. |
| 01/20/20 | Pittsburgh Pirates invited non-roster LHP Blake Weiman to spring training. |
| 01/16/20 | Pittsburgh Pirates sent LF Pablo Reyes outright to Indianapolis Indians. |
| 01/10/20 | Pittsburgh Pirates signed free agent C John Ryan Murphy to a minor league contract and invited him to spring training. |
| 01/10/20 | Pittsburgh Pirates signed free agent 2B Jake Elmore to a minor league contract and invited him to spring training. |
| 01/09/20 | Pittsburgh Pirates signed free agent Guillermo Heredia. |
| 01/09/20 | Pittsburgh Pirates designated LF Pablo Reyes for assignment. |