Miles Mikolas started the most games in 2023, with 35 starts.

	NAME	GS	SEASON	TM	G	W	L	W%	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	ERA-	FIP	FIP-	H/9	PRAA
1	Miles Mikolas M. Mikolas	35	2023	STL	35	9	13	.409	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	111	4.27	100	10.10	0.2
2	Zac Gallen Z. Gallen	34	2023	ARI	34	17	8	.680	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	78	3.26	77	8.06	23.4
3	Chris Bassitt C. Bassitt	33	2023	TOR	33	16	8	.667	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	85	4.28	100	7.92	0.1
4	Luis Castillo L. Castillo	33	2023	SEA	33	13	9	.591	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	83	3.80	93	7.31	6.6
5	Dylan Cease D. Cease	33	2023	CWS	33	7	9	.438	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	106	3.72	84	8.75	13.4
6	Gerrit Cole G. Cole	33	2023	NYY	33	15	4	.789	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	61	3.16	72	6.76	28.4
7	Kyle Gibson K. Gibson	33	2023	BAL	33	14	9	.609	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	113	4.13	98	9.28	1.3
8	Lucas Giolito L. Giolito	33	2023	TOT	33	7	15	.318	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	113	5.26	120	8.25	-17.8
9	Logan Webb L. Webb	33	2023	SFG	33	10	11	.476	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	77	3.16	75	8.38	25.7
10	José Berríos J. Berríos	32	2023	TOR	32	11	12	.478	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	86	3.99	93	8.21	6.1
11	Patrick Corbin P. Corbin	32	2023	WSH	32	10	15	.400	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	120	5.27	119	10.50	-16.9
12	Sonny Gray S. Gray	32	2023	MIN	32	8	8	.500	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	65	2.82	66	7.63	29.8
13	Mitch Keller M. Keller	32	2023	PIT	32	13	9	.591	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	94	3.80	87	8.66	12.5
14	Yusei Kikuchi Y. Kikuchi	32	2023	TOR	32	11	6	.647	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	91	4.12	96	8.86	3.1
15	Pablo López P. López	32	2023	MIN	32	11	8	.579	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	86	3.33	78	8.16	20.5
16	Lance Lynn L. Lynn	32	2023	TOT	32	13	11	.542	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	133	5.53	125	9.26	-21.7
17	Jordan Montgomery J. Montgomery	32	2023	TOT	32	10	11	.476	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	75	3.56	83	8.44	15.8
18	Aaron Nola A. Nola	32	2023	PHI	32	12	9	.571	4.46	202	0	0	0	193.2	178	96	105	32	45	1	0	0	793	2	9.39	2.09	4.49	1.49	25.5	5.7	1.15	.285	4.88	102	4.03	90	8.27	9.4
19	Blake Snell B. Snell	32	2023	SDP	32	14	9	.609	2.25	234	0	0	0	180.0	115	45	47	15	99	3	0	0	742	13	11.70	4.95	2.36	0.75	31.5	13.3	1.19	.256	2.35	54	3.44	79	5.75	18
20	Zack Wheeler Z. Wheeler	32	2023	PHI	32	13	6	.684	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	82	3.15	71	7.88	27.7
21	Corbin Burnes C. Burnes	32	2023	MIL	32	10	8	.556	3.39	200	0	0	0	193.2	141	73	77	22	66	8	0	0	784	10	9.29	3.07	3.03	1.02	25.5	8.4	1.07	.244	3.58	77	3.81	86	6.55	13.1
22	Dean Kremer D. Kremer	32	2023	BAL	32	13	5	.722	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	98	4.51	107	8.91	-6.3
23	Jesús Luzardo J. Luzardo	32	2023	MIA	32	10	10	.500	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	80	3.55	81	8.16	16.4
24	Clarke Schmidt C. Schmidt	32	2023	NYY	33	9	9	.500	4.64	149	0	0	0	159.0	169	82	91	24	46	11	1	0	694	11	8.43	2.60	3.24	1.36	21.5	6.6	1.35	.313	5.15	109	4.42	100	9.57	0.1
25	JP Sears	32	2023	OAK	32	5	12	.294	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	111	5.15	124	8.62	-19.9