The 2004 roster for the Astros included Roy Oswalt at pitcher, Brad Ausmus at catcher, Jeff Bagwell at first baseman, Jeff Kent at second baseman and Morgan Ensberg at third baseman.

	NAME	POS	HEIGHT	WEIGHT	DOB	AGE	BIRTHPLACE
1	Jason Alfaro J. Alfaro	SS	5'9"	210	11/29/1977	26	San Antonio, TX
2	Brad Ausmus B. Ausmus	C	5'11"	190	4/14/1969	35	New Haven, CT
3	Brandon Backe B. Backe	P	6'0"	195	4/5/1978	26	Galveston, TX
4	Jeff Bagwell J. Bagwell	1B	6'0"	215	5/27/1968	36	Boston, MA
5	Carlos Beltran C. Beltran	OF	6'1"	215	4/24/1977	27	Manati, Puerto Rico
6	Lance Berkman L. Berkman	OF	6'1"	220	2/10/1976	28	Waco, TX
7	Craig Biggio C. Biggio	OF	5'11"	185	12/14/1965	38	Smithtown, NY
8	Eric Bruntlett E. Bruntlett	SS	6'2"	200	3/29/1978	26	Lafayette, IN
9	Kirk Bullinger K. Bullinger	P	6'0"	170	10/28/1969	34	New Orleans, LA
10	Chris Burke C. Burke	2B	5'11"	195	3/11/1980	24	Louisville, KY
11	Raul Chavez R. Chavez	C	5'11"	245	3/17/1973	31	Valencia, Venezuela
12	Roger Clemens R. Clemens	P	6'4"	235	8/4/1962	41	Dayton, OH
13	Octavio Dotel O. Dotel	P	6'0"	230	11/25/1973	30	Santo Domingo, Dominican Republic
14	Brandon Duckworth B. Duckworth	P	6'2"	215	1/23/1976	28	Salt Lake City, UT
15	Morgan Ensberg M. Ensberg	3B	6'2"	220	8/26/1975	28	Redondo Beach, CA
16	Adam Everett A. Everett	SS	6'0"	180	2/5/1977	27	Austell, GA
17	Jared Fernandez J. Fernandez	P	6'1"	235	2/2/1972	32	Salt Lake City, UT
18	Mike Gallo M. Gallo	P	6'0"	175	4/2/1977	27	Long Beach, CA
19	Jeremy Griffiths J. Griffiths	P	6'6"	235	3/22/1978	26	Fairview, OH
20	Chad Harville C. Harville	P	5'9"	190	9/16/1976	27	Selmer, TN
21	Carlos Hernandez C. Hernandez	P	5'11"	205	4/22/1980	24	Guacara, Venezuela
22	Richard Hidalgo R. Hidalgo	OF	6'3"	220	6/28/1975	29	Caracas, Venezuela
23	Jeff Kent J. Kent	2B	6'2"	210	3/7/1968	36	Bellflower, CA
24	Mike Lamb M. Lamb	3B	6'1"	205	8/9/1975	28	West Covina, CA
25	Jason Lane J. Lane	OF	6'2"	225	12/22/1976	27	Santa Rosa, CA