Spencer Strider had the most strikeouts - walks allowed in 2023, with 223.

	NAME	SO-BB	SO	BB	SEASON	TM	G	W	L	W%	GS	ERA	CG	SHO	SV	IP	H	ER	R	HR	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	Spencer Strider S. Strider	223	281	58	2023	ATL	32	19	5	.792	32	3.86	0	0	0	186.2	146	80	85	22	9	0	1	763	6	13.55	2.80	4.84	1.06	36.8	7.6	1.09	.316	4.10	87	2.85	66	7.04	30.3
2	Pablo López P. López	186	234	48	2023	MIN	32	11	8	.579	32	3.66	1	1	0	194.0	176	79	81	24	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
3	Kevin Gausman K. Gausman	182	237	55	2023	TOR	31	12	9	.571	31	3.16	0	0	0	185.0	163	65	72	19	3	0	0	763	3	11.53	2.68	4.31	0.92	31.1	7.2	1.18	.321	3.50	75	2.97	69	7.93	27.1
4	Gerrit Cole G. Cole	174	222	48	2023	NYY	33	15	4	.789	33	2.63	2	2	0	209.0	157	61	64	20	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
5	Zack Wheeler Z. Wheeler	173	212	39	2023	PHI	32	13	6	.684	32	3.61	0	0	0	192.0	168	77	82	20	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
6	Zac Gallen Z. Gallen	173	220	47	2023	ARI	34	17	8	.680	34	3.47	1	1	0	210.0	188	81	87	22	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
7	Luis Castillo L. Castillo	163	219	56	2023	SEA	33	13	9	.591	33	3.34	0	0	0	197.0	160	73	81	28	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
8	Joe Ryan J. Ryan	163	197	34	2023	MIN	29	11	10	.524	29	4.51	1	1	0	161.2	155	81	83	32	6	0	0	672	3	10.97	1.89	5.79	1.78	29.3	5.1	1.17	.305	4.62	105	4.13	96	8.63	2.7
9	Logan Webb L. Webb	163	194	31	2023	SFG	33	10	11	.476	33	3.25	2	1	0	216.0	201	78	83	20	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	Zach Eflin Z. Eflin	162	186	24	2023	TBR	31	16	8	.667	31	3.50	0	0	0	177.2	158	69	69	19	3	0	1	703	0	9.42	1.22	7.75	0.96	26.5	3.4	1.02	.295	3.50	85	3.00	72	8.00	23.2
11	Aaron Nola A. Nola	157	202	45	2023	PHI	32	12	9	.571	32	4.46	0	0	0	193.2	178	96	105	32	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
12	Freddy Peralta F. Peralta	156	210	54	2023	MIL	30	12	10	.545	30	3.86	0	0	0	165.2	131	71	77	26	6	0	0	680	6	11.41	2.93	3.89	1.41	30.9	7.9	1.12	.273	4.18	88	3.84	87	7.12	10.6
13	Mitch Keller M. Keller	155	210	55	2023	PIT	32	13	9	.591	32	4.21	1	1	0	194.1	187	91	97	25	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	Jesús Luzardo J. Luzardo	153	208	55	2023	MIA	32	10	10	.500	32	3.58	0	0	0	178.2	162	71	79	22	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
15	George Kirby G. Kirby	153	172	19	2023	SEA	31	12	10	.545	31	3.35	1	0	0	190.2	179	71	74	22	6	0	1	757	1	8.12	0.90	9.05	1.04	22.7	2.5	1.04	.292	3.49	83	3.34	81	8.45	16.7
16	Logan Gilbert L. Gilbert	153	189	36	2023	SEA	32	12	7	.632	32	3.73	1	1	0	190.2	169	79	82	29	2	0	1	770	6	8.92	1.70	5.25	1.37	24.5	4.7	1.08	.272	3.87	93	3.84	94	7.98	5.6
17	Framber Valdez F. Valdez	143	200	57	2023	HOU	31	12	11	.522	31	3.45	2	2	0	198.0	166	76	86	19	10	0	0	808	6	9.09	2.59	3.51	0.86	24.8	7.1	1.13	.282	3.91	82	3.49	82	7.55	16.5
18	Justin Steele J. Steele	140	176	36	2023	CHC	30	16	5	.762	30	3.06	0	0	0	173.1	167	59	71	14	7	0	0	716	9	9.14	1.87	4.89	0.73	24.6	5.0	1.17	.317	3.69	72	3.01	70	8.67	24.9
19	Dylan Cease D. Cease	135	214	79	2023	CWS	33	7	9	.438	33	4.58	0	0	0	177.0	172	90	98	19	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
20	Blake Snell B. Snell	135	234	99	2023	SDP	32	14	9	.609	32	2.25	0	0	0	180.0	115	45	47	15	3	0	0	742	13	11.70	4.95	2.36	0.75	31.5	13.3	1.19	.256	2.35	54	3.43	79	5.75	18
21	Corbin Burnes C. Burnes	134	200	66	2023	MIL	32	10	8	.556	32	3.39	0	0	0	193.2	141	73	77	22	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	Yusei Kikuchi Y. Kikuchi	133	181	48	2023	TOR	32	11	6	.647	32	3.86	0	0	0	167.2	165	72	78	27	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
23	Nick Pivetta N. Pivetta	133	183	50	2023	BOS	38	10	9	.526	16	4.04	0	0	1	142.2	110	64	69	23	6	3	1	587	5	11.54	3.15	3.66	1.45	31.2	8.5	1.12	.268	4.35	89	3.96	92	6.94	5.8
24	José Berríos J. Berríos	132	184	52	2023	TOR	32	11	12	.478	32	3.65	0	0	0	189.2	173	77	82	25	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
25	Lucas Giolito L. Giolito	131	204	73	2023	TOT	33	7	15	.318	33	4.88	0	0	0	184.1	169	100	110	41	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