The 2009 roster for the Athletics included Trevor Cahill at pitcher, Kurt Suzuki at catcher, Jason Giambi at first baseman, Mark Ellis at second baseman and Adam Kennedy at third baseman.

	NAME	POS	HEIGHT	WEIGHT	DOB	AGE	BIRTHPLACE
1	Brett Anderson B. Anderson	P	6'3"	230	2/1/1988	21	Midland, TX
2	Andrew Bailey A. Bailey	P	6'3"	240	5/31/1984	25	Voorhees, NJ
3	Daric Barton D. Barton	1B	6'0"	215	8/16/1985	23	Springfield, VT
4	Jerry Blevins J. Blevins	P	6'6"	190	9/6/1983	25	Johnson City, TN
5	Dallas Braden D. Braden	P	6'1"	185	8/13/1983	25	Phoenix, AZ
6	Craig Breslow C. Breslow	P	6'0"	190	8/8/1980	28	New Haven, CT
7	Travis Buck T. Buck	OF	6'2"	230	11/18/1983	25	Richland, WA
8	Orlando Cabrera O. Cabrera	SS	5'10"	195	11/2/1974	34	Cartagena, Colombia
9	Trevor Cahill T. Cahill	P	6'4"	240	3/1/1988	21	Oceanside, CA
10	Kevin Cameron K. Cameron	P	6'1"	190	12/15/1979	29	Joliet, IL
11	Matt Carson M. Carson	OF	6'2"	200	7/1/1981	28	Newport Beach, CA
12	Santiago Casilla S. Casilla	P	6'0"	210	7/25/1980	28	San Cristobal, Dominican Republic
13	Eric Chavez E. Chavez	3B	6'1"	215	12/7/1977	31	Los Angeles, CA
14	Bobby Crosby B. Crosby	1B	6'3"	210	1/12/1980	29	Lakewood, CA
15	Aaron Cunningham A. Cunningham	OF	5'11"	215	4/24/1986	23	Anchorage, AK
16	Jack Cust J. Cust	DH	6'1"	250	1/7/1979	30	Flemington, NJ
17	Rajai Davis R. Davis	OF	5'10"	195	10/19/1980	28	Norwich, CT
18	Chris Denorfia C. Denorfia	OF	6'0"	195	7/15/1980	28	Bristol, CT
19	Mark Ellis M. Ellis	2B	5'10"	190	6/6/1977	32	Rapid City, SD
20	Dana Eveland D. Eveland	P	6'1"	235	10/29/1983	25	Olympia, WA
21	Tommy Everidge T. Everidge	1B	6'0"	275	4/20/1983	26	Santa Rosa, CA
22	Sean Gallagher S. Gallagher	P	6'2"	220	12/30/1985	23	Boston, MA
23	Nomar Garciaparra N. Garciaparra	DH	6'0"	190	7/23/1973	35	Whittier, CA
24	Jason Giambi J. Giambi	1B	6'3"	240	1/8/1971	38	West Covina, CA
25	Dan Giese D. Giese	P	6'2"	200	5/19/1977	32	Anaheim, CA