January 13, 2018
Joe Musgrove
traded from
Astros 
to
Pirates
Jason Martin
traded from
Astros
to
Pirates
Michael Feliz
traded from
Astros
to
Pirates
Colin Moran
traded from
Astros
to
Pirates
Gerrit Cole
traded from
Pirates
to
Astros
January 15, 2018
Kyle Crick
traded from
Giants
to
Pirates
Andrew McCutchen
traded from
Pirates
to
Giants
Bryan Reynolds
traded from
Giants
to
Pirates
January 22, 2018
Pirates
sign
Ryan Lavarnway
January 31, 2018
Daniel Zamora
traded from
Pirates
to
Mets
February 22, 2018
Daniel Hudson
traded from
Pirates
to
Rays
Corey Dickerson
traded from
Rays
to
Pirates
March 26, 2018
Pirates
sign
Ji Hwan Bae
April 02, 2018
Pirates
place
Joe Musgrove
on the injured list
April 16, 2018
Pirates
place
Josh Harrison
on the injured list
May 18, 2018
Pirates
place
Starling Marte
on the injured list
June 08, 2018
Pirates
place
Richard Rodriguez
on the injured list
June 12, 2018
Pirates
sign
Cam Alldred
June 15, 2018
Pirates
sign
Travis Swaggerty
June 24, 2018
Pirates
place
Michael Feliz
on the injured list
June 29, 2018
Pirates
place
Chad Kuhl
on the injured list
July 03, 2018
Pirates
place
Joe Musgrove
on the injured list
July 28, 2018
Pirates
place
Corey Dickerson
on the injured list
Pirates
place
Josh Bell
on the injured list
July 31, 2018
Chris Archer
traded from
Rays
to
Pirates
Austin Meadows
traded from
Pirates
to
Rays
Tyler Glasnow
traded from
Pirates
to
Rays
Taylor Hearn
traded from
Pirates
to
Rangers
Keone Kela
traded from
Rangers
to
Pirates
August 14, 2018
Shane Baz
traded from
Pirates
to
Rays
August 16, 2018
Pirates
place
Jordy Mercer
on the injured list
Pirates
designate
Casey Sadler
for assignment
August 22, 2018
Pirates
sign
Nick Mears
September 18, 2018
Pirates
place
Gregory Polanco
on the injured list
October 02, 2018
Pirates
sign
Luis Ortiz
October 29, 2018
Jordy Mercer
became a free agent
October 30, 2018
Pirates
sign
Patrick Kivlehan
October 31, 2018
Josh Harrison
became a free agent
November 14, 2018
Jordan Luplow
traded from
Pirates
to
Indians
Erik Gonzalez
traded from
Indians
to
Pirates
Max Moroff
traded from
Pirates
to
Indians
November 20, 2018
Tanner Anderson
traded from
Pirates
to
Athletics
November 27, 2018
Pirates
designate
Alex McRae
for assignment
December 17, 2018
Pirates
sign
Jordan Lyles
as a free agent