The 2023 pitchers for the Guardians included Logan Allen, Peyton Battenfield, Tanner Bibee, Shane Bieber and Joey Cantillo.

	NO.	NAME	POS	HEIGHT	WEIGHT	DOB	AGE	BIRTHPLACE
1	41	Logan Allen L. Allen	P	6'0"	180	9/5/1998	24	Altamonte Springs, FL
2	50	Peyton Battenfield P. Battenfield	P	6'4"	224	8/10/1997	25	Tulsa, OK
3	61	Tanner Bibee T. Bibee	P	6'2"	205	3/5/1999	24	Mission Viejo, CA
4	57	Shane Bieber S. Bieber	P	6'3"	200	5/31/1995	28	Orange, CA
5		Joey Cantillo J. Cantillo	P	6'4"	220	12/18/1999	23	Honolulu, HI
6	43	Aaron Civale A. Civale	P	6'2"	215	6/12/1995	28	East Windsor, CT
7	48	Emmanuel Clase E. Clase	P	6'2"	206	3/18/1998	25	Rio San Juan, Dominican Republic
8	44	Xzavion Curry X. Curry	P	6'0"	195	7/27/1998	24	Orangeburg, SC
9	62	Enyel De Los Santos E. De Los Santos	P	6'3"	235	12/25/1995	27	San Pedro de Macoris, Dominican Republic
10	33	Hunter Gaddis H. Gaddis	P	6'6"	260	4/9/1998	25	Canton, GA
11	27	Lucas Giolito L. Giolito	P	6'6"	245	7/14/1994	28	Santa Monica, CA
12	26	Anthony Gose A. Gose	P	6'1"	190	8/10/1990	32	Bellflower, CA
13	31	Sam Hentges S. Hentges	P	6'6"	245	7/18/1996	26	Shoreview, MN
14	29	Tim Herrin T. Herrin	P	6'6"	230	10/8/1996	26	Terre Haute, IN
15	99	James Karinchak J. Karinchak	P	6'3"	215	9/22/1995	27	Walden, NY
16	58	Michael Kelly M. Kelly	P	6'4"	185	9/6/1992	30	Boynton Beach, FL
17	40	Reynaldo López R. López	P	6'1"	225	1/4/1994	29	San Pedro de Macoris, Dominican Republic
18	59	Kirk McCarty K. McCarty	P	5'8"	185	10/12/1995	27	Hattiesburg, MS
19	24	Triston McKenzie T. McKenzie	P	6'5"	165	8/2/1997	25	Brooklyn, NY
20	55	Matt Moore M. Moore	P	6'3"	210	6/18/1989	34	Fort Walton Beach, FL
21	49	Eli Morgan E. Morgan	P	5'10"	190	5/13/1996	27	Rancho Palos Verdes, CA
22	36	Cody Morris C. Morris	P	6'4"	205	11/4/1996	26	Columbia, MD
23	53	Daniel Norris D. Norris	P	6'2"	207	4/25/1993	30	Johnson City, TN
24	45	Konnor Pilkington K. Pilkington	P	6'3"	225	9/12/1997	25	Pascagoula, MS
25	34	Zach Plesac Z. Plesac	P	6'3"	220	1/21/1995	28	Crown Point, IN