The 2012 roster for the Athletics included Tommy Milone at pitcher, Kurt Suzuki at catcher, Brandon Moss at first baseman, Jemile Weeks at second baseman and Brandon Inge at third baseman.

	NAME	POS	HEIGHT	WEIGHT	DOB	AGE	BIRTHPLACE
1	Jeremy Accardo J. Accardo	P	6'0"	195	12/8/1981	30	Mesa, AZ
2	Brandon Allen B. Allen	1B	6'2"	230	2/12/1986	26	Conroe, TX
3	Brett Anderson B. Anderson	P	6'3"	230	2/1/1988	24	Midland, TX
4	Grant Balfour G. Balfour	P	6'2"	200	12/30/1977	34	Sydney, Australia
5	Daric Barton D. Barton	1B	6'0"	215	8/16/1985	26	Springfield, VT
6	Travis Blackley T. Blackley	P	6'3"	205	11/4/1982	29	Melbourne, Australia
7	Jerry Blevins J. Blevins	P	6'6"	190	9/6/1983	28	Johnson City, TN
8	Andrew Carignan A. Carignan	P	5'11"	235	7/23/1986	25	New London, CT
9	Chris Carter C. Carter	1B	6'4"	245	12/18/1986	25	Redwood City, CA
10	Yoenis Cespedes Y. Cespedes	OF	5'10"	220	10/18/1985	26	Granma, Cuba
11	Jesse Chavez J. Chavez	P	6'2"	175	8/21/1983	28	San Gabriel, CA
12	Bartolo Colon B. Colon	P	5'11"	285	5/24/1973	39	Altamira, Dominican Republic
13	Ryan Cook R. Cook	P	6'2"	215	6/30/1987	25	Clovis, CA
14	Collin Cowgill C. Cowgill	OF	5'9"	190	5/22/1986	26	Lexington, KY
15	Coco Crisp C. Crisp	OF	5'10"	185	11/1/1979	32	Los Angeles, CA
16	Fautino De Los Santos F. De Los Santos	P	6'2"	225	2/15/1986	26	Samana, Dominican Republic
17	Josh Donaldson J. Donaldson	3B	6'1"	210	12/8/1985	26	Pensacola, FL
18	Sean Doolittle S. Doolittle	P	6'2"	210	9/26/1986	25	Rapid City, SD
19	Stephen Drew S. Drew	SS	6'0"	200	3/16/1983	29	Hahira, GA
20	Pedro Figueroa P. Figueroa	P	6'0"	215	11/23/1985	26	Santo Domingo, Dominican Republic
21	Brian Fuentes B. Fuentes	P	6'4"	230	8/9/1975	36	Merced, CA
22	Graham Godfrey G. Godfrey	P	6'3"	215	8/9/1984	27	Tampa, FL
23	Jonny Gomes J. Gomes	DH	6'1"	230	11/22/1980	31	Petaluma, CA
24	A.J. Griffin	P	6'5"	230	1/28/1988	24	El Cajon, CA
25	Brandon Hicks B. Hicks	SS	6'2"	215	9/14/1985	26	Houston, TX