The 2003 roster for the Athletics included Tim Hudson at pitcher, Ramon Hernandez at catcher, Scott Hatteberg at first baseman, Mark Ellis at second baseman and Eric Chavez at third baseman.

	NAME	POS	HEIGHT	WEIGHT	DOB	AGE	BIRTHPLACE
1	Micah Bowie M. Bowie	P	6'4"	220	11/10/1974	28	Webster, TX
2	Chad Bradford C. Bradford	P	6'5"	215	9/14/1974	28	Jackson, MS
3	Eric Byrnes E. Byrnes	OF	6'2"	205	2/16/1976	27	Redwood City, CA
4	Eric Chavez E. Chavez	3B	6'1"	215	12/7/1977	25	Los Angeles, CA
5	Bobby Crosby B. Crosby	SS	6'3"	210	1/12/1980	23	Lakewood, CA
6	Justin Duchscherer J. Duchscherer	P	6'3"	195	11/19/1977	25	Aberdeen, SD
7	Erubiel Durazo E. Durazo	DH	6'3"	240	1/23/1975	28	Hermosillo, Mexico
8	Jermaine Dye J. Dye	OF	6'5"	245	1/28/1974	29	Oakland, CA
9	Mike Edwards M. Edwards	DH	6'1"	200	11/24/1976	26	Goshen, NY
10	Mark Ellis M. Ellis	2B	5'10"	190	6/6/1977	26	Rapid City, SD
11	Jeremy Fikac J. Fikac	P	6'2"	200	4/8/1975	28	Shiner, TX
12	Keith Foulke K. Foulke	P	6'0"	210	10/19/1972	30	Ellsworth Air Force Base, SD
13	Ron Gant R. Gant	OF	6'0"	195	3/2/1965	38	Victoria, TX
14	Esteban German E. German	2B	5'9"	195	1/26/1978	25	Santo Domingo, Dominican Republic
15	Jason Grabowski J. Grabowski	OF	6'3"	200	5/24/1976	27	New Haven, CT
16	Jose Guillen J. Guillen	OF	6'0"	215	5/17/1976	27	San Cristobal, Dominican Republic
17	John Halama J. Halama	P	6'5"	215	2/22/1972	31	Brooklyn, NY
18	Aaron Harang A. Harang	P	6'7"	260	5/9/1978	25	San Diego, CA
19	Rich Harden R. Harden	P	6'1"	190	11/30/1981	21	Victoria, Canada
20	Chad Harville C. Harville	P	5'9"	190	9/16/1976	26	Selmer, TN
21	Scott Hatteberg S. Hatteberg	1B	6'1"	210	12/14/1969	33	Salem, OR
22	Ramon Hernandez R. Hernandez	C	6'0"	220	5/20/1976	27	Caracas, Venezuela
23	Tim Hudson T. Hudson	P	6'1"	175	7/14/1975	27	Columbus, GA
24	Mark Johnson M. Johnson	C	6'0"	200	9/12/1975	27	Wheat Ridge, CO
25	Graham Koonce G. Koonce	1B	6'4"	230	5/15/1975	28	El Cajon, CA