Astros Roster & Staff
Transactions
| Date | Transaction |
| 02/27/21 | Houston Astros claimed 2B Robel Garcia off waivers . |
| 02/27/21 | Houston Astros claimed 2B Robel Garcia off waivers from Los Angeles Angels. |
| 02/27/21 | Houston Astros placed P Justin Verlander on the 60 day disabled list. |
| 02/18/21 | Kent Emanuel changed number to 72. |
| 02/18/21 | Francis Martes changed number to 50. |
| 02/12/21 | Houston Astros invited non-roster CF Jake Meyers to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Seth Martinez to spring training. |
| 02/12/21 | Houston Astros invited non-roster LHP Kit Scheetz to spring training. |
| 02/12/21 | Houston Astros invited non-roster 3B Colton Shaver to spring training. |
| 02/12/21 | Houston Astros invited non-roster SS Alex De Goti to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Riley Ferrell to spring training. |
| 02/12/21 | Houston Astros invited non-roster OF Ronnie Dawson to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Austin Hansen to spring training. |
| 02/12/21 | Houston Astros invited non-roster LHP Ryan Hartman to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Carson LaRue to spring training. |
| 02/12/21 | Houston Astros invited non-roster C Michael Papierski to spring training. |
| 02/12/21 | Houston Astros invited non-roster C Lorenzo Quintana to spring training. |
| 02/12/21 | Houston Astros invited non-roster C Scott Manea to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Hector Velazquez to spring training. |
| 02/12/21 | Houston Astros invited non-roster OF Bryan De La Cruz to spring training. |
| 02/12/21 | Houston Astros invited non-roster OF Ronnie Dawson to spring training. |
| 02/12/21 | Houston Astros invited non-roster OF Zach Daniels to spring training. |
| 02/12/21 | Houston Astros invited non-roster OF Colin Barber to spring training. |
| 02/12/21 | Houston Astros invited non-roster CF Jake Meyers to spring training. |
| 02/12/21 | Houston Astros invited non-roster SS Jeremy Pena to spring training. |
| 02/12/21 | Houston Astros invited non-roster SS Grae Kessinger to spring training. |
| 02/12/21 | Houston Astros invited non-roster SS Alex De Goti to spring training. |
| 02/12/21 | Houston Astros invited non-roster C Colton Shaver to spring training. |
| 02/12/21 | Houston Astros invited non-roster C Lorenzo Quintana to spring training. |
| 02/12/21 | Houston Astros invited non-roster C Michael Papierski to spring training. |
| 02/12/21 | Houston Astros invited non-roster C Scott Manea to spring training. |
| 02/12/21 | Houston Astros invited non-roster C Korey Lee to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Hector Velazquez to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Jojanse Torres to spring training. |
| 02/12/21 | Houston Astros invited non-roster LHP Kit Scheetz to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Alex Santos II to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Seth Martinez to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Carson LaRue to spring training. |
| 02/12/21 | P Ryan Hartman assigned to Houston Astros . |
| 02/12/21 | Houston Astros invited non-roster LHP Ryan Hartman to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Austin Hansen to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Ralph Garza Jr. to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Riley Ferrell to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Shawn Dubin to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Brett Conine to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Hunter Brown to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Ronel Blanco to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Blair Henley to spring training. |
| 02/12/21 | P Austin Hansen assigned to Houston Astros . |
| 02/12/21 | P Ralph Garza Jr. assigned to Houston Astros . |
| 02/12/21 | P Riley Ferrell assigned to Houston Astros . |
| 02/12/21 | P Brett Conine assigned to Houston Astros . |
| 02/12/21 | P Hunter Brown assigned to Houston Astros . |
| 02/12/21 | P Ronel Blanco assigned to Houston Astros . |
| 02/12/21 | P Blair Henley assigned to Houston Astros . |
| 02/12/21 | P Carson LaRue assigned to Houston Astros . |
| 02/12/21 | P Shawn Dubin assigned to Houston Astros . |
| 02/12/21 | Houston Astros invited non-roster RHP Ronel Blanco to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Brett Conine to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Shawn Dubin to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Ralph Garza Jr. to spring training. |
| 02/12/21 | C Korey Lee assigned to Houston Astros . |
| 02/12/21 | RF Bryan De La Cruz assigned to Houston Astros . |
| 02/12/21 | LF Ronnie Dawson assigned to Houston Astros . |
| 02/12/21 | OF Zach Daniels assigned to Houston Astros . |
| 02/12/21 | CF Colin Barber assigned to Houston Astros . |
| 02/12/21 | CF Jake Meyers assigned to Houston Astros . |
| 02/12/21 | SS Jeremy Pena assigned to Houston Astros . |
| 02/12/21 | SS Grae Kessinger assigned to Houston Astros . |
| 02/12/21 | SS Alex De Goti assigned to Houston Astros . |
| 02/12/21 | C Colton Shaver assigned to Houston Astros . |
| 02/12/21 | C Lorenzo Quintana assigned to Houston Astros . |
| 02/12/21 | C Michael Papierski assigned to Houston Astros . |
| 02/12/21 | C Scott Manea assigned to Houston Astros . |
| 02/12/21 | P Hector Velazquez assigned to Houston Astros . |
| 02/12/21 | P Jojanse Torres assigned to Houston Astros . |
| 02/12/21 | P Kit Scheetz assigned to Houston Astros . |
| 02/12/21 | P Alex Santos II assigned to Houston Astros . |
| 02/12/21 | P Seth Martinez assigned to Houston Astros . |
| 02/12/21 | Houston Astros invited non-roster RHP Hunter Brown to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Blair Henley to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Alex Santos II to spring training. |
| 02/12/21 | Houston Astros invited non-roster RHP Jojanse Torres to spring training. |
| 02/12/21 | Houston Astros invited non-roster C Korey Lee to spring training. |
| 02/12/21 | Houston Astros invited non-roster SS Grae Kessinger to spring training. |
| 02/12/21 | Houston Astros invited non-roster SS Jeremy Pena to spring training. |
| 02/12/21 | Houston Astros invited non-roster OF Colin Barber to spring training. |
| 02/12/21 | Houston Astros invited non-roster OF Zach Daniels to spring training. |
| 02/12/21 | Houston Astros invited non-roster OF Bryan De La Cruz to spring training. |
| 02/09/21 | Houston Astros signed free agent RHP Steve Cishek to a minor league contract and invited him to spring training. |
| 02/06/21 | RF Chas McCormick changed number to 20. |
| 02/06/21 | RF Chas McCormick changed number to 42. |
| 02/06/21 | RF Chas McCormick changed number to 20. |
| 02/06/21 | Chas McCormick changed number to 6. |
| 02/01/21 | Houston Astros signed free agent RF Steven Souza Jr. to a minor league contract and invited him to spring training. |