The 2023 pitchers for the Athletics included Domingo Acevedo, Garrett Acton, Paul Blackburn, Joe Boyle and Lucas Erceg.

	NO.	NAME	POS	HEIGHT	WEIGHT	DOB	AGE	BIRTHPLACE
1	68	Domingo Acevedo D. Acevedo	P	6'7"	250	3/6/1994	29	Villa Los Almacigos, Dominican Republic
2	26	Garrett Acton G. Acton	P	6'2"	215	6/15/1998	25	Naperville, IL
3	58	Paul Blackburn P. Blackburn	P	6'1"	196	12/4/1993	29	Antioch, CA
4	35	Joe Boyle J. Boyle	P	6'7"	240	8/14/1999	23	O'Fallon, MO
5	70	Lucas Erceg L. Erceg	P	6'3"	196	5/1/1995	28	San Jose, CA
6	68	Joey Estes J. Estes	P	6'2"	190	10/8/2001	21	Lancaster, CA
7		Jeurys Familia J. Familia	P	6'3"	240	10/10/1989	33	Santo Domingo, Dominican Republic
8	53	Angel Felipe A. Felipe	P	6'5"	190	8/30/1997	25	Villa Mella, Dominican Republic
9	11	Shintaro Fujinami S. Fujinami	P	6'6"	180	4/12/1994	29	Sakai, Japan
10	50	Rico Garcia R. Garcia	P	5'9"	201	1/10/1994	29	Honolulu, HI
11	35	Deolis Guerra D. Guerra	P	6'5"	245	4/17/1989	34	San Felix, Venezuela
12	63	Hogan Harris H. Harris	P	6'3"	230	12/26/1996	26	Lafayette, LA
13	61	Zach Jackson Z. Jackson	P	6'4"	230	12/25/1994	28	Tulsa, OK
14	66	Daulton Jefferies D. Jefferies	P	6'0"	182	8/2/1995	27	Merced, CA
15	56	Dany Jiménez D. Jiménez	P	6'1"	182	12/23/1993	29	San Cristobal, Dominican Republic
16	32	James Kaprielian J. Kaprielian	P	6'3"	225	3/2/1994	29	Laguna Hills, CA
17	46	Jared Koenig J. Koenig	P	6'5"	198	1/24/1994	29	San Jose, CA
18	66	Sam Long S. Long	P	6'1"	185	7/8/1995	27	Fair Oaks, CA
19	45	Richard Lovelady R. Lovelady	P	6'0"	185	7/7/1995	27	Hinesville, GA
20	67	Easton Lucas E. Lucas	P	6'4"	180	9/23/1996	26	Thousand Oaks, CA
21	55	Adrián Martínez A. Martínez	P	6'2"	215	12/10/1996	26	Mexicali, Mexico
22	65	Trevor May T. May	P	6'5"	240	9/23/1989	33	Longview, WA
23	46	Luis Medina L. Medina	P	6'1"	175	5/3/1999	24	Nagua, Dominican Republic
24	57	Mason Miller M. Miller	P	6'5"	200	8/24/1998	24	Pittsburgh, PA
25	60	Sam Moll S. Moll	P	5'9"	190	1/3/1992	31	Lakeland, TN