Astros Roster & Staff
Transactions
| Date | Transaction |
| 06/28/16 | Houston Astros signed free agent OF Norberto Castellanos to a minor league contract. |
| 06/27/16 | Houston Astros signed free agent RHP Manuel Gonzalez to a minor league contract. |
| 06/25/16 | Houston Astros designated C Alfredo Gonzalez for assignment. |
| 06/25/16 | Houston Astros optioned OF Tony Kemp to Fresno Grizzlies. |
| 06/25/16 | Houston Astros selected the contract of A.J. Reed from Fresno Grizzlies. |
| 06/23/16 | Houston Astros signed SS Stijin van der Meer. |
| 06/23/16 | Houston Astros traded LF Eury Perez to Tampa Bay Rays for cash. |
| 06/22/16 | Houston Astros signed RHP Forrest Whitley. |
| 06/22/16 | Chicago White Sox claimed RHP Juan Minaya off waivers from Houston Astros. |
| 06/21/16 | Houston Astros signed OF Chaz Pal. |
| 06/21/16 | Houston Astros signed 1B Troy Sieber. |
| 06/21/16 | Houston Astros signed C Raymond Henderson. |
| 06/21/16 | Houston Astros signed LHP Sean Stutzman. |
| 06/21/16 | Houston Astros signed LHP Nathan Thompson. |
| 06/21/16 | Houston Astros signed 2B Tyler Wolfe. |
| 06/21/16 | Houston Astros signed OF Spencer Johnson. |
| 06/21/16 | Houston Astros signed RHP Tyler Britton. |
| 06/21/16 | Houston Astros signed RHP Lucas Williams. |
| 06/20/16 | Houston Astros signed 2B Ryne Birk. |
| 06/20/16 | Houston Astros signed SS Abraham Toro-Hernandez. |
| 06/20/16 | Houston Astros signed RHP Chad Donato. |
| 06/20/16 | Houston Astros signed RHP Ian Hardman. |
| 06/20/16 | Houston Astros signed RHP Kevin Hill. |
| 06/17/16 | Houston Astros activated RHP Luke Gregerson from the bereavement list. |
| 06/17/16 | Houston Astros optioned 1B Tyler White to Fresno Grizzlies. |
| 06/17/16 | Houston Astros signed OF Ronnie Dawson. |
| 06/16/16 | Houston Astros signed SS Brody Westmoreland. |
| 06/16/16 | Houston Astros signed LHP Ryan Hartman. |
| 06/16/16 | Houston Astros signed 1B Carmen Benedetti. |
| 06/16/16 | Houston Astros signed RHP Dustin Hunt. |
| 06/16/16 | Houston Astros signed OF Stephen Wrenn. |
| 06/16/16 | Houston Astros signed RHP Nick Hernandez. |
| 06/16/16 | Houston Astros signed LHP Brett Adcock. |
| 06/15/16 | Houston Astros signed free agent RHP Christopher Javier to a minor league contract. |
| 06/15/16 | Houston Astros signed free agent RHP Christian Mejias to a minor league contract. |
| 06/15/16 | Houston Astros signed free agent RHP Devin Raftery to a minor league contract. |
| 06/15/16 | Houston Astros signed free agent RHP Devon Carr to a minor league contract. |
| 06/15/16 | Houston Astros signed LHP Howie Brey. |
| 06/15/16 | Houston Astros signed C Jake Rogers. |
| 06/15/16 | Houston Astros signed SS Alexander De Goti. |
| 06/15/16 | Houston Astros signed C Chuckie Robinson. |
| 06/15/16 | Houston Astros signed 1B Taylor Jones. |
| 06/15/16 | Houston Astros signed RHP Colin McKee. |
| 06/15/16 | Houston Astros signed free agent RHP Reggie Johnson to a minor league contract. |
| 06/14/16 | Houston Astros selected the contract of 2B Danny Worth from Fresno Grizzlies. |
| 06/14/16 | Houston Astros placed RHP Luke Gregerson on the bereavement list. |
| 06/14/16 | Houston Astros designated RHP Juan Minaya for assignment. |
| 06/13/16 | Houston Astros signed free agent C Kelvin Perez to a minor league contract. |
| 06/13/16 | Houston Astros signed free agent P Nivaldo Rodriguez to a minor league contract. |
| 06/08/16 | Houston Astros signed free agent OF Luis Coronel to a minor league contract. |
| 06/01/16 | Houston Astros signed free agent IF Kendy Moya to a minor league contract. |