| - | Jan Baldee | SS | RK | 6-2 | 170 | Right | Right | 12/8/1990 | 18 | Rotterdam,Netherlands | 2009 | UDFA | | HOU |
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| - | Ricardo Batista | P | RK | 6-1 | 170 | Left | Left | 8/19/1991 | 17 | San Pedro de Macoris,Dominican Republic | 2009 | UDFA | | HOU |
| - | Ricardo Bonfante | IF | A | 5-10 | 135 | Both | Right | 10/21/1988 | 20 | Cartagena,Colombia | 2008 | UDFA | | HOU |
| - | Luis Bryan | SS | A- | 6-2 | 165 | Right | Right | 11/26/1990 | 18 | San Pedro de Macoris,Dominican Republic | 2009 | UDFA | | HOU |
| - | Garrett Bullock | P | A | 6-3 | 200 | Left | Left | 6/9/1986 | 23 | Greenville,North Carolina | 2007 | 45 | 1330 | ARI |
| - | Tanner Bushue | P | A | 6-4 | 180 | Right | Right | 6/20/1991 | 18 | Kinmundy,Illinois | 2009 | 2 | 69 | HOU |
| - | Enmanuel Cedano | P | RK | 6-2 | 194 | Right | Right | 12/28/1988 | 20 | Santo Domingo,Dominican Republic | 2009 | UDFA | | HOU |
| - | German Duran | 2B-1B | MLB | 5-10 | 185 | Right | Right | 8/3/1984 | 24 | Zacatenas,Mexico | 2005 | 6 | 189 | TEX |
| - | Pedro Feliz | 3B | MLB | 6-1 | 195 | Right | Right | 4/27/1975 | 34 | Azua,Dominican Republic | 1994 | UDFA | | SF |
| - | Jack Frawley | P | A- | 6-2 | 175 | Right | Right | 11/29/1985 | 23 | Cleveland,Ohio | 2009 | UDFA | | HOU |
| - | Ricardo Garcia | 3B | RK | 5-9 | 142 | Right | Right | 1/20/1989 | 20 | Guacara,Venezuela | 2009 | UDFA | | HOU |
| - | Ernesto Genoves | C | A | 5-11 | 203 | Right | Right | 6/4/1991 | 18 | Baruta,Venezuela | 2009 | UDFA | | HOU |
| - | Carlos Gil | P | RK | 6-4 | 175 | Right | Right | 4/19/1990 | 19 | Santo Domingo,Dominican Republic | 2009 | UDFA | | HOU |
| - | Enrique Hernandez | 2B | AA | 5-11 | 170 | Right | Right | 8/24/1991 | 17 | Toa Baja,Puerto Rico | 2009 | 6 | 191 | HOU |
| - | Kody Hinze | 1B | AA | 6-0 | 225 | Right | Right | 7/29/1987 | 21 | Houston,Texas | 2005 | 46 | 1374 | PIT |
| - | Spencer Hylander | P | RK | 6-1 | 195 | Left | Left | 6/12/1986 | 23 | Houston,Texas | 2009 | 50 | 1511 | HOU |
| - | Wilton Infante | P | A- | 6-1 | 175 | Right | Right | 8/11/1987 | 21 | Santiago,Dominican Republic | 2008 | UDFA | | HOU |
| - | Mark Jones | P | RK | 6-7 | 205 | Right | Right | 8/29/1990 | 18 | Lancaster,Pennsylvania | 2009 | 22 | 671 | HOU |
| - | Emilio King | RF | A | 6-0 | 180 | Right | Right | 8/17/1989 | 19 | Samana,Dominican Republic | 2009 | UDFA | | HOU |
| - | Jose Lopez | C | AAA | 5-11 | 195 | Right | Right | 3/8/1985 | 24 | Maracay,Venezuela | 2005 | UDFA | | HOU |
| - | Andrea Lucati | P | RK | 6-3 | 247 | Right | Right | 1/17/1990 | 19 | Treviso,Italy | 2008 | UDFA | | HOU |
| - | Rafael Luna | P | RK | 6-6 | 175 | Left | Left | 1/20/1990 | 19 | Santiago,Dominican Republic | 2009 | UDFA | | HOU |
| - | Tio McLean | P | RK | 6-4 | 180 | Right | Right | 4/6/1986 | 23 | Laurinburg,North Carolina | 2009 | UDFA | | HOU |
| - | Juan Minaya | P | A | 6-4 | 185 | Right | Right | 9/18/1990 | 18 | Maimon,Dominican Republic | 2009 | UDFA | | HOU |
| - | Telvin Nash | LF | A+ | 6-1 | 230 | Right | Right | 2/20/1991 | 18 | Griffin,Georgia | 2009 | 3 | 100 | HOU |
| - | Wilder Parra | C | A | 6-0 | 175 | Right | Right | 3/2/1991 | 18 | Guigue,Venezuela | 2009 | UDFA | | HOU |
| - | German Perez | P | RK | 5-11 | 147 | Left | Left | 9/21/1989 | 19 | Monteria,Colombia | 2009 | UDFA | | HOU |
| - | Rafael Pio | P | RK | 6-3 | 210 | Right | Right | 1/9/1988 | 21 | Quisqueya,Dominican Republic | 2009 | UDFA | | HOU |
| - | Euris Quezada | P | A | 6-6 | 210 | Right | Right | 4/6/1989 | 20 | Sabana Larga de Comendador,Dominican Republic | 2009 | UDFA | | HOU |
| - | Carlos Reyes | OF | RK | 6-0 | 180 | Right | Right | 12/5/1987 | 21 | San Pedro de Macoris,Dominican Republic | 2009 | UDFA | | HOU |
| - | Raul Rivera | P | RK | 6-3 | 185 | Right | Right | 2/5/1991 | 18 | San Juan,Puerto Rico | 2009 | 37 | 1121 | HOU |
| - | Phil Rorabaugh | P | RK | 6-0 | 180 | Right | Right | 10/10/1986 | 22 | Stuart,Florida | 2009 | UDFA | | HOU |
| - | Billy Sadler | P | MLB | 6-0 | 190 | Right | Right | 9/21/1981 | 27 | Pensacola,Florida | 2003 | 6 | 183 | SF |
| - | Ronald Sanchez | 1B | RK | 5-10 | 180 | Left | Right | 8/9/1991 | 17 | Caguas,Puerto Rico | 2009 | 16 | 491 | HOU |
| - | Nestor Santana | DH | RK | 6-0 | 190 | Right | Right | 5/30/1990 | 19 | Maracay,Venezuela | 2009 | UDFA | | HOU |
| - | Mike Schurz | P | A+ | 6-1 | 195 | Right | Right | 9/12/1986 | 22 | Norfolk,Virginia | 2009 | 44 | 1331 | HOU |
| - | Geber Suniaga | LF | RK | 5-11 | 160 | Right | Right | 6/17/1991 | 18 | Guayana,Venezuela | 2009 | UDFA | | HOU |
| - | Jose Vargas | RF-LF | RK | 6-1 | 200 | Right | Right | 4/30/1991 | 18 | Fantino,Dominican Republic | 2009 | UDFA | | HOU |
| - | Brandon Wilkerson | SS | RK | 6-2 | 170 | Right | Right | 4/18/1988 | 21 | Arlington,Texas | 2006 | 47 | 1394 | PIT |
| - | Garen Wright | RF | RK | 6-3 | 230 | Right | Right | 12/25/1990 | 18 | Oklahoma City,Oklahoma | 2009 | 29 | 881 | HOU |