January 06, 2019
J.D. Davis
traded from
Astros 
to
Mets
February 01, 2019
Astros
sign
Wade Miley
as a free agent
March 28, 2019
Astros
place
Joe Smith
on the injured list
Astros
place
Lance McCullers
on the injured list
May 12, 2019
Astros
place
Jose Altuve
on the injured list
May 21, 2019
Astros
place
Collin McHugh
on the injured list
May 25, 2019
Astros
place
George Springer
on the injured list
May 26, 2019
Astros
place
Max Stassi
on the injured list
May 27, 2019
Astros
place
Aledmys Diaz
on the injured list
May 29, 2019
Astros
place
Carlos Correa
on the injured list
June 10, 2019
Astros
sign
Hunter Brown
June 12, 2019
June 28, 2019
Astros
place
Brad Peacock
on the injured list
July 23, 2019
Astros
place
Josh James
on the injured list
July 25, 2019
Andre Scrubb
traded from
Dodgers
to
Astros
July 26, 2019
Astros
designate
Tony Kemp
for assignment
July 30, 2019
Astros
place
Ryan Pressly
on the injured list
July 31, 2019
Corbin Martin
traded from
Astros
to
Diamondbacks
Seth Beer
traded from
Astros
to
Diamondbacks
Josh Rojas
traded from
Astros
to
Diamondbacks
Zack Greinke
traded from
Diamondbacks
to
Astros
J.B. Bukauskas
traded from
Astros
to
Diamondbacks
Max Stassi
traded from
Astros
to
Angels
Aaron Sanchez
traded from
Blue Jays
to
Astros
Joe Biagini
traded from
Blue Jays
to
Astros
Cal Stevenson
traded from
Blue Jays
to
Astros
Derek Fisher
traded from
Astros
to
Blue Jays
August 18, 2019
Astros
place
Aledmys Diaz
on the injured list
August 21, 2019
Astros
place
Carlos Correa
on the injured list
Astros
place
Aaron Sanchez
on the injured list
August 22, 2019
Astros
place
Ryan Pressly
on the injured list
August 28, 2019
Astros
place
Brad Peacock
on the injured list
August 31, 2019
Astros
place
Collin McHugh
on the injured list
September 03, 2019
Astros
designate
Reymin Guduan
for assignment
September 05, 2019
Astros
release
Reymin Guduan
October 31, 2019
Collin McHugh
became a free agent
Martin Maldonado
became a free agent
Wade Miley
became a free agent
Robinson Chirinos
became a free agent
Gerrit Cole
became a free agent
Joe Smith
became a free agent
Will Harris
became a free agent
November 26, 2019
Astros
sign
Dustin Garneau
as a free agent
December 02, 2019
Aaron Sanchez
became a free agent
December 05, 2019
Jake Marisnick
traded from
Astros
to
Mets
Blake Taylor
traded from
Mets
to
Astros
December 16, 2019
Astros
sign
Joe Smith
as a free agent
December 23, 2019
Astros
sign
Martin Maldonado
as a free agent