Johan Quezada and Robbie Ray were tied for the most walks allowed per game pitched in 2023, with 5.

	NAME	BB/G	BB	G	SEASON	TM	W	L	W%	GS	ERA	SO	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	Johan Quezada J. Quezada	5	5	1	2023	MIA	0	0		0	40.50	0	0	0	0	0.2	1	3	3	0	0	0	0	8	0	0.00	67.50	0.00	0.00	0.0	62.5	9.00	.333	40.50	907	25.75	589	13.50	-1.6
2	Robbie Ray R. Ray	5	5	1	2023	SEA	0	1	.000	1	8.10	3	0	0	0	3.1	4	3	5	0	0	0	0	19	1	8.10	13.50	0.60	0.00	15.8	26.3	2.70	.364	13.50	201	5.95	145	10.80	-0.7
3	Brad Keller B. Keller	4.09	45	11	2023	KCR	3	4	.429	9	4.57	31	0	0	0	45.1	42	23	26	3	3	2	0	211	7	6.15	8.93	0.69	0.60	14.7	21.3	1.92	.302	5.16	102	5.92	138	8.34	-8.3
4	Jake Faria J. Faria	4	4	1	2023	BOS	0	0		0	22.50	3	0	0	0	2.0	4	5	5	0	0	1	0	14	0	13.50	18.00	0.75	0.00	21.4	28.6	4.00	.571	22.50	496	6.25	145	18.00	-0.4
5	Madison Bumgarner M. Bumgarner	3.75	15	4	2023	ARI	0	3	.000	4	10.26	10	0	0	0	16.2	25	19	20	4	1	0	0	90	0	5.40	8.10	0.67	2.16	11.1	16.7	2.40	.350	10.80	232	8.05	190	13.50	-7.3
6	Lyon Richardson L. Richardson	3.75	15	4	2023	CIN	0	2	.000	4	8.64	12	0	0	0	16.2	17	16	16	6	0	0	0	81	0	6.48	8.10	0.80	3.24	14.8	18.5	1.92	.229	8.64	186	9.19	198	9.18	-7.9
7	Drew Rucinski D. Rucinski	3.5	14	4	2023	OAK	0	4	.000	4	9.00	6	0	0	0	18.0	27	18	22	5	1	0	0	95	0	3.00	7.00	0.43	2.50	6.3	14.7	2.28	.319	11.00	219	8.70	209	13.50	-9.4
8	Triston McKenzie T. McKenzie	3.25	13	4	2023	CLE	0	3	.000	4	5.06	16	0	0	0	16.0	12	9	9	1	0	0	0	73	1	9.00	7.31	1.23	0.56	21.9	17.8	1.56	.256	5.06	120	4.50	106	6.75	-0.5
9	Alek Manoah A. Manoah	3.11	59	19	2023	TOR	3	9	.250	19	5.87	79	0	0	0	87.1	93	57	61	15	9	0	1	415	3	8.14	6.08	1.34	1.55	19.0	14.2	1.74	.308	6.29	139	6.01	140	9.58	-16.8
10	Blake Snell B. Snell	3.09	99	32	2023	SDP	14	9	.609	32	2.25	234	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
11	Michael Kopech M. Kopech	3.03	91	30	2023	CWS	5	12	.294	27	5.43	134	0	0	0	129.1	115	78	80	29	11	2	0	591	9	9.32	6.33	1.47	2.02	22.7	15.4	1.59	.264	5.57	126	6.46	147	8.00	-28.5
12	Tommy Milone T. Milone	3	6	2	2023	SEA	0	1	.000	2	2.00	3	0	0	0	9.0	7	2	3	1	0	0	0	40	0	3.00	6.00	0.50	1.00	7.5	15.0	1.44	.200	3.00	50	6.03	147	7.00	-2
13	Wes Parsons W. Parsons	3	3	1	2023	TOR	0	1	.000	1	20.25	3	0	0	0	4.0	10	9	9	2	1	0	0	26	2	6.75	6.75	1.00	4.50	11.5	11.5	3.25	.471	20.25	478	11.25	263	22.50	-3.1
14	Riley Pint R. Pint	3	3	1	2023	COL	0	0		0	27.00	0	0	0	0	0.1	1	1	1	0	0	0	0	5	0	0.00	81.00	0.00	0.00	0.0	60.0	12.00	.500	27.00	546	30.25	659	27.00	-0.9
15	Davis Daniel D. Daniel	3	9	3	2023	LAA	0	1	.000	0	2.19	9	0	0	0	12.1	7	3	3	1	0	1	0	52	1	6.57	6.57	1.00	0.73	17.3	17.3	1.30	.182	2.19	50	5.04	114	5.11	-0.8
16	Simeon Woods Richardson S. Woods Richardson	3	3	1	2023	MIN	0	0		0	9.64	5	0	0	0	4.2	7	5	5	1	0	0	0	24	0	9.64	5.79	1.67	1.93	20.8	12.5	2.14	.400	9.64	225	5.82	136	13.50	-0.8
17	Jake Wong J. Wong	3	3	1	2023	CIN	0	0		0	9.00	0	0	0	0	3.0	6	3	3	0	0	1	0	15	0	0.00	9.00	0.00	0.00	0.0	20.0	3.00	.500	9.00	194	6.25	135	18.00	-0.5
18	Edward Cabrera E. Cabrera	3	66	22	2023	MIA	7	7	.500	20	4.24	118	0	0	0	99.2	78	47	48	11	4	0	0	434	1	10.66	5.96	1.79	0.99	27.2	15.2	1.44	.285	4.33	95	4.43	101	7.04	-0.6
19	Touki Toussaint T. Toussaint	2.85	57	20	2023	TOT	4	7	.364	16	4.97	85	0	0	0	87.0	69	48	48	10	7	2	0	384	3	8.79	5.90	1.49	1.03	22.1	14.8	1.45	.262	4.97	115	5.00	114	7.14	-5.5
20	Ryan Feltner R. Feltner	2.8	28	10	2023	COL	2	4	.333	10	5.82	38	0	0	0	43.1	45	28	29	2	2	0	0	201	0	7.89	5.82	1.36	0.42	18.9	13.9	1.68	.328	6.02	118	4.17	91	9.35	2
21	Charlie Morton C. Morton	2.77	83	30	2023	ATL	14	12	.538	30	3.64	183	0	0	0	163.1	150	66	70	14	12	0	2	716	4	10.08	4.57	2.20	0.77	25.6	11.6	1.43	.321	3.86	82	3.87	90	8.27	7.6
22	Quinn Priester Q. Priester	2.7	27	10	2023	PIT	3	3	.500	8	7.74	36	0	0	0	50.0	58	43	43	12	3	0	0	234	5	6.48	4.86	1.33	2.16	15.4	11.5	1.70	.295	7.74	173	6.73	154	10.44	-13.1
23	Josiah Gray J. Gray	2.67	80	30	2023	WSH	8	13	.381	30	3.91	143	0	0	0	159.0	152	69	72	22	9	0	1	698	9	8.09	4.53	1.79	1.25	20.5	11.5	1.46	.293	4.08	90	4.93	112	8.60	-8.9
24	Luis L. Ortiz L. L. Ortiz	2.67	48	18	2023	PIT	5	5	.500	15	4.78	59	0	0	0	86.2	99	46	50	13	2	0	0	400	3	6.13	4.98	1.23	1.35	14.8	12.0	1.70	.309	5.19	107	5.57	127	10.28	-11.5
25	Kodai Senga K. Senga	2.66	77	29	2023	NYM	12	7	.632	29	2.98	202	0	0	0	166.1	126	55	60	17	5	0	0	694	14	10.93	4.17	2.62	0.92	29.1	11.1	1.22	.277	3.25	71	3.63	84	6.82	13