Pirates Roster & Staff
Transactions
| Date | Transaction |
| 04/29/18 | Pittsburgh Pirates recalled Nick Kingham from Indianapolis Indians. |
| 04/29/18 | Pittsburgh Pirates placed LHP Enny Romero on the 10-day disabled list retroactive to April 26, 2018. Left shoulder impingement. |
| 04/27/18 | Pittsburgh Pirates traded CF Todd Cunningham to Chicago White Sox for Player To Be Named Later. |
| 04/27/18 | Pittsburgh Pirates optioned 3B Jose Osuna to Indianapolis Indians. |
| 04/25/18 | Pittsburgh Pirates recalled Jose Osuna from Indianapolis Indians. |
| 04/21/18 | Pittsburgh Pirates signed free agent RHP Xavier Concepcion to a minor league contract. |
| 04/21/18 | Pittsburgh Pirates signed free agent RHP Raydel Velette to a minor league contract. |
| 04/21/18 | Pittsburgh Pirates signed free agent LHP Elvis Contreras to a minor league contract. |
| 04/21/18 | Pittsburgh Pirates signed free agent OF Germin Lopez to a minor league contract. |
| 04/20/18 | Pittsburgh Pirates sent RHP A.J. Schugel on a rehab assignment to Indianapolis Indians. |
| 04/16/18 | Pittsburgh Pirates optioned RHP Dovydas Neverauskas to Indianapolis Indians. |
| 04/16/18 | Pittsburgh Pirates recalled Max Moroff from Indianapolis Indians. |
| 04/16/18 | Pittsburgh Pirates placed 2B Josh Harrison on the 10-day disabled list. Fracture of 5th metacarpal bone in left hand. |
| 04/14/18 | Pittsburgh Pirates signed free agent C Darwin Baez to a minor league contract. |
| 04/14/18 | Pittsburgh Pirates claimed LHP Enny Romero off waivers from Washington Nationals. |
| 04/13/18 | Pittsburgh Pirates optioned RHP Clay Holmes to Indianapolis Indians. |
| 04/13/18 | Pittsburgh Pirates recalled RHP Kyle Crick from Indianapolis Indians. |
| 04/13/18 | Pittsburgh Pirates optioned LHP Josh Smoker to Indianapolis Indians. |
| 04/13/18 | Pittsburgh Pirates selected the contract of RHP Richard Rodriguez from Indianapolis Indians. |
| 04/12/18 | Pittsburgh Pirates sent RHP A.J. Schugel on a rehab assignment to Bradenton Marauders. |
| 04/12/18 | Pittsburgh Pirates signed free agent LHP Denny Roman to a minor league contract. |
| 04/11/18 | Pittsburgh Pirates signed free agent RHP Christian Charle to a minor league contract. |
| 04/05/18 | Pittsburgh Pirates claimed RHP Jesus Liranzo off waivers from Los Angeles Dodgers. |
| 04/05/18 | Pittsburgh Pirates optioned RHP Jesus Liranzo to Altoona Curve. |
| 04/02/18 | Pittsburgh Pirates placed RHP Joe Musgrove on the 10-day disabled list retroactive to March 30, 2018. Right shoulder strain. |
| 04/02/18 | Pittsburgh Pirates optioned RHP Clay Holmes to Indianapolis Indians. |
| 04/02/18 | Pittsburgh Pirates recalled RHP Clay Holmes from Indianapolis Indians. |
| 04/01/18 | Pittsburgh Pirates recalled Clay Holmes from Indianapolis Indians. |