Pirates Roster & Staff
Transactions
| Date | Transaction |
| 01/29/21 | Pittsburgh Pirates sent Troy Stokes Jr. outright to Indianapolis Indians. |
| 01/25/21 | Pittsburgh Pirates signed free agent C Joe Hudson to a minor league contract and invited him to spring training. |
| 01/25/21 | Pittsburgh Pirates signed free agent C Joe Hudson. |
| 01/24/21 | Pittsburgh Pirates designated LF Troy Stokes Jr. for assignment. |
| 01/24/21 | Pittsburgh Pirates traded RHP Jameson Taillon to New York Yankees for RHP Roansy Contreras, SS Maikol Escotto, LF Canaan Smith and RHP Miguel Yajure. |
| 01/24/21 | Pittsburgh Pirates traded RHP Jameson Taillon to New York Yankees for RHP Roansy Contreras, SS Maikol Escotto, LF Canaan Smith and RHP Miguel Yajure. |
| 01/24/21 | Pittsburgh Pirates traded RHP Jameson Taillon to New York Yankees for RHP Roansy Contreras, SS Maikol Escotto, LF Canaan Smith and RHP Miguel Yajure. |
| 01/24/21 | Pittsburgh Pirates traded RHP Jameson Taillon to New York Yankees for RHP Roansy Contreras, SS Maikol Escotto, LF Canaan Smith and RHP Miguel Yajure. |
| 01/24/21 | Pittsburgh Pirates traded RHP Jameson Taillon to New York Yankees for RHP Roansy Contreras, SS Maikol Escotto, LF Canaan Smith and RHP Miguel Yajure. |
| 01/19/21 | Pittsburgh Pirates Traded RHP Joe Musgrove to San Diego Padres; New York Mets Traded C Endy Rodriguez to Pittsburgh Pirates; San Diego Padres Traded LHP Joey Lucchesi to New York Mets and San Diego Padres Traded RHP David Bednar, CF Hudson Head, RHP Drake Fellows and LHP Omar Cruz to Pittsburgh Pirates. |
| 01/19/21 | Pittsburgh Pirates Traded RHP Joe Musgrove to San Diego Padres; New York Mets Traded C Endy Rodriguez to Pittsburgh Pirates; San Diego Padres Traded LHP Joey Lucchesi to New York Mets and San Diego Padres Traded RHP David Bednar, CF Hudson Head, RHP Drake Fellows and LHP Omar Cruz to Pittsburgh Pirates. |
| 01/19/21 | Pittsburgh Pirates Traded RHP Joe Musgrove to San Diego Padres; New York Mets Traded C Endy Rodriguez to Pittsburgh Pirates; San Diego Padres Traded LHP Joey Lucchesi to New York Mets and San Diego Padres Traded RHP David Bednar, CF Hudson Head, RHP Drake Fellows and LHP Omar Cruz to Pittsburgh Pirates. |
| 01/19/21 | Pittsburgh Pirates Traded RHP Joe Musgrove to San Diego Padres; New York Mets Traded C Endy Rodriguez to Pittsburgh Pirates; San Diego Padres Traded LHP Joey Lucchesi to New York Mets and San Diego Padres Traded RHP David Bednar, CF Hudson Head, RHP Drake Fellows and LHP Omar Cruz to Pittsburgh Pirates. |
| 01/19/21 | Pittsburgh Pirates Traded RHP Joe Musgrove to San Diego Padres; New York Mets Traded C Endy Rodriguez to Pittsburgh Pirates; San Diego Padres Traded LHP Joey Lucchesi to New York Mets and San Diego Padres Traded RHP David Bednar, CF Hudson Head, RHP Drake Fellows and LHP Omar Cruz to Pittsburgh Pirates. |
| 01/19/21 | Pittsburgh Pirates Traded RHP Joe Musgrove to San Diego Padres; New York Mets Traded C Endy Rodriguez to Pittsburgh Pirates; San Diego Padres Traded LHP Joey Lucchesi to New York Mets and San Diego Padres Traded RHP David Bednar, CF Hudson Head, RHP Drake Fellows and LHP Omar Cruz to Pittsburgh Pirates. |
| 01/15/21 | Pittsburgh Pirates signed free agent RHP Darlin Diaz to a minor league contract. |
| 01/15/21 | Pittsburgh Pirates signed free agent RHP Antwone Kelly to a minor league contract. |
| 01/15/21 | Pittsburgh Pirates signed free agent OF Rodolfo De La Cruz to a minor league contract. |
| 01/15/21 | Pittsburgh Pirates signed free agent RHP Jose Garces to a minor league contract. |
| 01/15/21 | Pittsburgh Pirates signed free agent SS Rubel Lebron to a minor league contract. |
| 01/15/21 | Pittsburgh Pirates signed free agent OF Ruben Vizcaya to a minor league contract. |
| 01/15/21 | Pittsburgh Pirates signed free agent C Miguel Sosa to a minor league contract. |
| 01/15/21 | Pittsburgh Pirates signed free agent OF Eddy Rodriguez to a minor league contract. |
| 01/15/21 | Pittsburgh Pirates signed free agent 2B Wilmer Difo. |
| 01/15/21 | Pittsburgh Pirates signed free agent OF Gustavo Armas. |
| 01/15/21 | Pittsburgh Pirates signed free agent SS Wesley Zapata to a minor league contract. |
| 01/15/21 | Pittsburgh Pirates signed free agent OF Esmerlyn Valdez to a minor league contract. |
| 01/15/21 | Pittsburgh Pirates signed free agent P Greiber Mendez. |
| 01/15/21 | Pittsburgh Pirates signed free agent P Jonathan Salazar. |
| 01/15/21 | Pittsburgh Pirates signed free agent RHP Luigi Hernandez to a minor league contract. |
| 01/15/21 | Pittsburgh Pirates signed free agent OF Shalin Polanco to a minor league contract. |
| 01/15/21 | Pittsburgh Pirates signed free agent RHP Jesus Clode to a minor league contract. |
| 01/15/21 | Pittsburgh Pirates signed free agent RHP Andres Sierra to a minor league contract. |
| 01/15/21 | Pittsburgh Pirates signed free agent P Andres Silvera. |
| 01/15/21 | Pittsburgh Pirates signed free agent SS John Zorrilla to a minor league contract. |
| 01/15/21 | Pittsburgh Pirates signed free agent 2B Wilmer Difo to a minor league contract and invited him to spring training. |
| 01/14/21 | Pittsburgh Pirates traded LHP Nik Turley to Oakland Athletics for cash. |
| 01/12/21 | Pittsburgh Pirates designated LHP Nik Turley for assignment. |
| 01/12/21 | Pittsburgh Pirates claimed LF Troy Stokes Jr. off waivers from Detroit Tigers. |
| 01/05/21 | Pittsburgh Pirates signed free agent RHP Chase De Jong to a minor league contract and invited him to spring training. |
| 01/05/21 | Pittsburgh Pirates signed free agent P Chase De Jong. |