Luis Medina allowed the most walks in June 2023, with 21 allowed.

	NAME	BB	MONTH	G	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	H/9
1	Luis Medina L. Medina	21	June 2023	6	2	3	.400	4	5.88	25	0	0	0	26.0	29	17	18	1	1	0	0	124	3	8.65	7.27	1.19	0.35	20.2	16.9	1.92	.368	6.23	10.04
2	Michael Kopech M. Kopech	18	June 2023	5	0	2	.000	5	2.96	27	0	0	0	24.1	22	8	8	3	2	0	0	111	1	9.99	6.66	1.50	1.11	24.3	16.2	1.64	.311	2.96	8.14
3	Rich Hill R. Hill	15	June 2023	5	3	2	.600	5	3.86	25	0	0	0	30.1	27	13	16	2	2	0	0	132	0	7.42	4.45	1.67	0.59	18.9	11.4	1.38	.284	4.75	8.01
4	Kodai Senga K. Senga	15	June 2023	5	1	2	.333	5	3.71	31	0	0	0	26.2	21	11	15	3	2	0	0	120	3	10.46	5.06	2.07	1.01	25.8	12.5	1.35	.261	5.06	7.09
5	Charlie Morton C. Morton	15	June 2023	5	2	1	.667	5	4.28	37	0	0	0	27.1	26	13	15	3	3	0	0	123	0	12.18	4.94	2.47	0.99	30.1	12.2	1.50	.354	4.94	8.56
6	Ronel Blanco R. Blanco	15	June 2023	5	2	0	1.000	5	4.82	23	0	0	0	28.0	23	15	15	9	0	0	0	117	1	7.39	4.82	1.53	2.89	19.7	12.8	1.36	.200	4.82	7.39
7	Joey Wentz J. Wentz	14	June 2023	5	0	4	.000	4	5.84	26	0	0	0	24.2	24	16	19	7	0	0	0	113	1	9.49	5.11	1.86	2.55	23.0	12.4	1.54	.258	6.93	8.76
8	Luis L. Ortiz L. L. Ortiz	14	June 2023	6	1	1	.500	5	3.94	17	0	0	0	29.2	34	13	13	5	1	0	0	131	0	5.16	4.25	1.21	1.52	13.0	10.7	1.62	.309	3.94	10.31
9	Carlos Carrasco C. Carrasco	13	June 2023	5	0	1	.000	5	6.23	20	0	0	0	21.2	27	15	16	6	1	0	0	103	1	8.31	5.40	1.54	2.49	19.4	12.6	1.85	.333	6.65	11.22
10	Tyler Glasnow T. Glasnow	13	June 2023	5	2	1	.667	5	4.15	37	0	0	0	26.0	21	12	12	4	0	0	0	109	1	12.81	4.50	2.85	1.38	33.9	11.9	1.31	.309	4.15	7.27
11	Andrew Heaney A. Heaney	13	June 2023	5	1	2	.333	5	5.87	26	0	0	0	23.0	26	15	16	5	2	0	0	109	0	10.17	5.09	2.00	1.96	23.9	11.9	1.70	.333	6.26	10.17
12	Drew Smyly D. Smyly	13	June 2023	5	2	3	.400	5	5.81	18	0	0	0	26.1	35	17	18	7	0	0	0	127	1	6.15	4.44	1.38	2.39	14.2	10.2	1.82	.315	6.15	11.96
13	Logan Allen L. Allen	13	June 2023	5	1	0	1.000	5	4.76	20	0	0	0	22.2	25	12	12	3	1	0	0	103	1	7.94	5.16	1.54	1.19	19.4	12.6	1.68	.333	4.76	9.93
14	Luis Castillo L. Castillo	13	June 2023	5	1	4	.200	5	3.23	32	0	0	0	30.2	24	11	14	7	1	0	0	126	2	9.39	3.82	2.46	2.05	25.4	10.3	1.21	.233	4.11	7.04
15	Aaron Civale A. Civale	13	June 2023	5	1	1	.500	5	3.33	25	0	0	0	27.0	24	10	10	4	0	0	0	116	1	8.33	4.33	1.92	1.33	21.6	11.2	1.37	.270	3.33	8.00
16	Andrew Abbott A. Abbott	12	June 2023	5	4	0	1.000	5	1.21	30	0	0	0	29.2	16	4	4	3	0	0	0	115	0	9.10	3.64	2.50	0.91	26.1	10.4	0.94	.186	1.21	4.85
17	Kyle Freeland K. Freeland	12	June 2023	5	0	2	.000	5	6.49	17	0	0	0	26.1	32	19	20	4	0	0	0	119	0	5.81	4.10	1.42	1.37	14.3	10.1	1.67	.326	6.84	10.94
18	Bobby Miller B. Miller	12	June 2023	5	2	1	.667	5	5.27	26	0	0	0	27.1	26	16	16	2	2	0	0	119	2	8.56	3.95	2.17	0.66	21.8	10.1	1.39	.312	5.27	8.56
19	J.P. France	12	June 2023	5	2	2	.500	5	2.43	18	0	0	0	33.1	26	9	9	3	0	0	0	132	0	4.86	3.24	1.50	0.81	13.6	9.1	1.14	.232	2.43	7.02
20	Tylor Megill T. Megill	12	June 2023	4	1	1	.500	4	6.75	15	0	0	0	17.1	21	13	16	1	1	0	0	83	2	7.79	6.23	1.25	0.52	18.1	14.5	1.90	.370	8.31	10.90
21	Daniel Bard D. Bard	12	June 2023	12	2	1	.667	0	4.22	15	0	0	0	10.2	9	5	5	1	1	3	0	53	0	12.66	10.13	1.25	0.84	28.3	22.6	1.97	.333	4.22	7.59
22	Merrill Kelly M. Kelly	12	June 2023	5	3	1	.750	5	4.02	29	0	0	0	31.1	28	14	16	5	1	0	0	129	0	8.33	3.45	2.42	1.44	22.5	9.3	1.28	.280	4.60	8.04
23	Josiah Gray J. Gray	12	June 2023	6	2	1	.667	6	4.28	35	0	0	0	33.2	33	16	16	6	1	0	0	142	4	9.36	3.21	2.92	1.60	24.6	8.5	1.34	.307	4.28	8.82
24	Zach Davies Z. Davies	12	June 2023	6	1	3	.250	6	6.90	23	0	0	0	30.0	35	23	26	1	0	0	0	136	0	6.90	3.60	1.92	0.30	16.9	8.8	1.57	.340	7.80	10.50
25	Freddy Peralta F. Peralta	12	June 2023	6	0	3	.000	6	4.73	39	0	0	0	32.1	24	17	17	7	2	0	0	132	1	10.86	3.34	3.25	1.95	29.5	9.1	1.11	.236	4.73	6.68