Miles Mikolas appeared in the most games by a starting pitcher in 2023, with 35 games.

	NAME	G	SEASON	TM	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Miles Mikolas M. Mikolas	35	2023	STL	9	13	.409	35	4.78	137	0	0	0	201.1	226	107	110	26	39	8	0	0	860	4	6.12	1.74	3.51	1.16	15.9	4.5	1.32	.308	4.92	10.10
2	Zac Gallen Z. Gallen	34	2023	ARI	17	8	.680	34	3.47	220	1	1	0	210.0	188	81	87	22	47	5	0	0	846	8	9.43	2.01	4.68	0.94	26.0	5.6	1.12	.301	3.73	8.06
3	Chris Bassitt C. Bassitt	33	2023	TOR	16	8	.667	33	3.60	186	1	1	0	200.0	176	80	88	28	59	12	0	2	826	4	8.37	2.66	3.15	1.26	22.5	7.1	1.18	.274	3.96	7.92
4	Lucas Giolito L. Giolito	33	2023	TOT	7	15	.318	33	4.88	204	0	0	0	184.1	169	100	110	41	73	9	0	2	794	5	9.96	3.56	2.79	2.00	25.7	9.2	1.31	.274	5.37	8.25
5	Luis Castillo L. Castillo	33	2023	SEA	13	9	.591	33	3.34	219	0	0	0	197.0	160	73	81	28	56	5	0	0	802	3	10.01	2.56	3.91	1.28	27.3	7.0	1.10	.267	3.70	7.31
6	Dylan Cease D. Cease	33	2023	CWS	7	9	.438	33	4.58	214	0	0	0	177.0	172	90	98	19	79	9	0	3	784	13	10.88	4.02	2.71	0.97	27.3	10.1	1.42	.330	4.98	8.75
7	Gerrit Cole G. Cole	33	2023	NYY	15	4	.789	33	2.63	222	2	2	0	209.0	157	61	64	20	48	7	0	0	821	4	9.56	2.07	4.63	0.86	27.0	5.8	0.98	.261	2.76	6.76
8	Kyle Gibson K. Gibson	33	2023	BAL	14	9	.609	33	4.73	157	0	0	0	192.0	198	101	101	23	55	6	0	0	807	8	7.36	2.58	2.85	1.08	19.5	6.8	1.32	.309	4.73	9.28
9	Logan Webb L. Webb	33	2023	SFG	10	11	.476	33	3.25	194	2	1	0	216.0	201	78	83	20	31	5	0	0	850	1	8.08	1.29	6.26	0.83	22.8	3.6	1.07	.302	3.46	8.38
10	Yusei Kikuchi Y. Kikuchi	32	2023	TOR	11	6	.647	32	3.86	181	0	0	0	167.2	165	72	78	27	48	4	0	0	700	7	9.72	2.58	3.77	1.45	25.9	6.9	1.27	.314	4.19	8.86
11	JP Sears	32	2023	OAK	5	12	.294	32	4.54	161	0	0	0	172.1	165	87	90	34	53	16	0	2	735	2	8.41	2.77	3.04	1.78	21.9	7.2	1.26	.278	4.70	8.62
12	José Berríos J. Berríos	32	2023	TOR	11	12	.478	32	3.65	184	0	0	0	189.2	173	77	82	25	52	9	0	3	782	4	8.73	2.47	3.54	1.19	23.5	6.6	1.19	.289	3.89	8.21
13	Johan Oviedo J. Oviedo	32	2023	PIT	9	14	.391	32	4.31	158	1	1	0	177.2	161	85	91	19	83	13	0	1	781	7	8.00	4.20	1.90	0.96	20.2	10.6	1.37	.280	4.61	8.16
14	Jordan Montgomery J. Montgomery	32	2023	TOT	10	11	.476	32	3.20	166	0	0	0	188.2	177	67	75	18	48	4	0	0	777	6	7.92	2.29	3.46	0.86	21.4	6.2	1.19	.294	3.58	8.44
15	Sonny Gray S. Gray	32	2023	MIN	8	8	.500	32	2.79	183	0	0	0	184.0	156	57	59	8	55	6	0	0	754	6	8.95	2.69	3.33	0.39	24.3	7.3	1.15	.295	2.89	7.63
16	Zack Wheeler Z. Wheeler	32	2023	PHI	13	6	.684	32	3.61	212	0	0	0	192.0	168	77	82	20	39	9	0	0	787	1	9.94	1.83	5.44	0.94	26.9	5.0	1.08	.292	3.84	7.88
17	Dean Kremer D. Kremer	32	2023	BAL	13	5	.722	32	4.12	157	0	0	0	172.2	171	79	85	27	55	5	0	0	735	5	8.18	2.87	2.85	1.41	21.4	7.5	1.31	.293	4.43	8.91
18	Clarke Schmidt C. Schmidt	32	2023	NYY	9	9	.500	32	4.66	148	0	0	0	158.1	169	82	91	24	46	11	0	0	692	11	8.41	2.61	3.22	1.36	21.4	6.6	1.36	.313	5.17	9.61
19	Spencer Strider S. Strider	32	2023	ATL	19	5	.792	32	3.86	281	0	0	0	186.2	146	80	85	22	58	9	0	1	763	6	13.55	2.80	4.84	1.06	36.8	7.6	1.09	.316	4.10	7.04
20	Logan Gilbert L. Gilbert	32	2023	SEA	12	7	.632	32	3.73	189	1	1	0	190.2	169	79	82	29	36	2	0	1	770	6	8.92	1.70	5.25	1.37	24.5	4.7	1.08	.272	3.87	7.98
21	Lance Lynn L. Lynn	32	2023	TOT	13	11	.542	32	5.73	191	0	0	0	183.2	189	117	127	44	67	9	0	1	808	3	9.36	3.28	2.85	2.16	23.6	8.3	1.39	.292	6.22	9.26
22	Jesús Luzardo J. Luzardo	32	2023	MIA	10	10	.500	32	3.58	208	0	0	0	178.2	162	71	79	22	55	6	0	1	741	7	10.48	2.77	3.78	1.11	28.1	7.4	1.21	.311	3.98	8.16
23	Patrick Corbin P. Corbin	32	2023	WSH	10	15	.400	32	5.20	124	0	0	0	180.0	210	104	113	33	57	4	0	0	790	6	6.20	2.85	2.18	1.65	15.7	7.2	1.48	.309	5.65	10.50
24	Mitch Keller M. Keller	32	2023	PIT	13	9	.591	32	4.21	210	1	1	0	194.1	187	91	97	25	55	12	0	0	825	5	9.73	2.55	3.82	1.16	25.5	6.7	1.25	.310	4.49	8.66
25	Pablo López P. López	32	2023	MIN	11	8	.579	32	3.66	234	1	1	0	194.0	176	79	81	24	48	9	0	1	801	7	10.86	2.23	4.88	1.11	29.2	6.0	1.15	.313	3.76	8.16