HOUSTON, TX - The Houston Astros player development department has set the club's preliminary minor league rosters for the 2018 season at four affiliates: Triple A Fresno, Double A Corpus Christi, Class A Advanced Buies Creek and Class A Quad Cities. 
The four clubs will begin regular season play on Thursday, April 5.
These rosters are subject to change and will not be officially finalized until minor league Opening Day. Rosters do not include Disabled List players.
FRESNO (AAA):
PITCHERS
Rogelio Armenteros
Buddy Boshers*
Jacob Dorris
Kent Emanuel*
Reymin Guduan*
Mike Hauschild
Francis Martes
Brendan McCurry
Chris Nunn*
David Paulino
Matt Ramsey
Cy Sneed
Andrew Thome
Trent Thornton
CATCHERS
Tim Federowicz
Garrett Stubbs*
INFIELDERS
Tony Kemp
Jack Mayfield
Antonio Nuñez
AJ Reed*
Tyler White
OUTFIELDERS
Drew Ferguson
Alejandro Garcia
Jon Kemmer*
Kyle Tucker*
* - left-hander / left-handed hitter

- switch-hitter
CORPUS CHRISTI (AA):
PITCHERS

Akeem Bostick
Brock Dykxhoorn
Riley Ferrell
Ralph Garza
Ryan Hartman*
Kevin Hill
Josh James
Cionel Pérez*
Erasmo Pinales
Yoanys Quiala
Sean Stutzman*
Framber Valdez*
Alex Winkelman*
CATCHERS
Lorenzo Quintana
Jamie Ritchie
INFIELDERS
Ryne Birk*
Randy César
Alex De Goti
Taylor Jones
Arturo Michelena
Nick Tanielu
OUTFIELDERS
Yordan Alvarez*
Carmen Benedetti*
Myles Straw
Stephen Wrenn
BUIES CREEK (A+):
PITCHERS
Brett Adcock*
Jorge Alcala
Brandon Bailey
Jesus Balaguer
Brandon Bielak
Ronel Blanco
Justin Ferrell
Carson LaRue
Corbin Martin
Hector Perez
Abdiel Saldana
Kit Scheetz*
Carlos Sierra
CATCHERS
Carlos Canelon
Chuckie Robinson
INFIELDERS
Osvaldo Duarte
Josh Rojas*
Troy Sieber*
Anibal Sierra
Abraham Toro-Hernandez#
Kristian Trompiz
OUTFIELDERS
Ronnie Dawson*
Patrick Mathis*
Chas McCormick
Luis Payano
QUAD CITIES (A):
PITCHERS
Adam Bleday*
J.B. Bukauskas
Robert Corniel
Tyler Ivey
Cristian Javier
Colin McKee
Parker Mushinski*
Yohan Ramirez
Cesar Rosado
Carlos Sanabria
Patrick Sandoval*
Peter Solomon
Cole Watts*
CATCHERS
Gabriel Bracamonte
Michael Papierski#
INFIELDERS
Jake Adams
Marcos Almonte
Jonathan Arauz*
Cody Bohanek
Roman Garcia
Adrian Tovalin
OUTFIELDERS 
Bryan De La Cruz
Corey Julks
J.J. Matijevic*
Jake Meyers