Since 2023, Charlie Morton gave up the most walks, with 220 allowed.

Interpreted as:

most walks with a minimum of 0.5 IP per team game pitcher over last 3 seasons

	NAME	BB	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	ERA-	FIP	FIP-	H/9	PRAA
1	Charlie Morton C. Morton	220	93	31	33	.484	87	4.49	499	0	0	0	470.2	456	235	249	60	44	1	5	2,071	9	9.54	4.21	2.27	1.15	24.1	10.6	1.44	.317	4.76	108	4.40	107	8.72	-15.3
2	Dylan Cease D. Cease	215	98	29	32	.475	98	4.18	653	1	1	0	534.1	461	248	269	58	16	0	5	2,268	30	11.00	3.62	3.04	0.98	28.8	9.5	1.27	.304	4.53	101	3.44	83	7.76	43.1
3	Tyler Anderson T. Anderson	194	84	18	29	.383	82	4.53	365	0	0	0	456.2	439	230	246	72	17	0	7	1,993	14	7.19	3.82	1.88	1.42	18.3	9.7	1.39	.273	4.85	108	5.02	117	8.65	-34.8
4	Freddy Peralta F. Peralta	188	95	40	25	.615	95	3.40	614	0	0	0	516.0	398	195	205	73	25	0	0	2,128	18	10.71	3.28	3.27	1.27	28.9	8.8	1.14	.265	3.58	80	3.88	92	6.94	20.1
5	MacKenzie Gore M. Gore	186	89	22	37	.373	89	4.15	517	0	0	0	462.1	457	213	239	62	17	0	0	1,993	32	10.06	3.62	2.78	1.21	25.9	9.3	1.39	.326	4.65	99	4.00	94	8.90	11.3
6	Chris Bassitt C. Bassitt	181	96	37	31	.544	95	3.89	520	2	1	0	541.1	530	234	259	68	41	0	4	2,320	10	8.65	3.01	2.87	1.13	22.4	7.8	1.31	.306	4.31	95	4.13	99	8.81	3.6
7	Framber Valdez F. Valdez	180	90	40	29	.580	90	3.35	556	5	2	0	566.1	477	211	228	47	23	0	0	2,313	26	8.84	2.86	3.09	0.75	24.0	7.8	1.16	.285	3.62	82	3.37	81	7.58	48.7
8	Hunter Brown H. Brown	172	93	34	31	.523	90	3.59	563	1	0	0	511.0	446	204	220	61	21	1	1	2,106	8	9.92	3.03	3.27	1.07	26.7	8.2	1.21	.299	3.87	88	3.66	88	7.86	27.2
9	Blake Snell B. Snell	169	63	24	16	.600	63	2.53	451	1	1	0	345.1	231	97	106	24	4	0	1	1,414	28	11.75	4.40	2.67	0.63	31.9	12.0	1.16	.270	2.76	61	3.00	71	6.02	45.9
10	Jake Irvin J. Irvin	168	90	22	34	.393	90	4.94	379	0	0	0	488.2	486	268	283	87	18	0	1	2,086	10	6.98	3.09	2.26	1.60	18.2	8.1	1.34	.278	5.21	118	5.08	121	8.95	-46.6
11	Brayan Bello B. Bello	168	87	37	28	.569	86	4.02	409	1	0	0	486.0	469	217	232	59	30	0	0	2,070	12	7.57	3.11	2.43	1.09	19.8	8.1	1.31	.292	4.30	92	4.30	102	8.69	-3.8
12	Zac Gallen Z. Gallen	167	95	44	29	.603	95	3.99	551	1	1	0	550.0	497	244	258	66	13	0	1	2,280	15	9.02	2.73	3.30	1.08	24.2	7.3	1.21	.291	4.22	93	3.72	92	8.13	21.8
13	Yusei Kikuchi Y. Kikuchi	166	97	27	27	.500	97	3.97	561	0	0	0	521.2	512	230	250	76	9	0	3	2,208	19	9.68	2.86	3.38	1.31	25.4	7.5	1.30	.312	4.31	96	3.93	93	8.83	16.9
14	Edward Cabrera E. Cabrera	164	68	19	22	.463	66	4.15	375	0	0	0	333.2	281	154	168	43	19	0	0	1,433	10	10.11	4.42	2.29	1.16	26.2	11.4	1.33	.286	4.53	96	4.25	102	7.58	-2.4
15	Jack Flaherty J. Flaherty	163	88	29	31	.483	86	4.24	530	0	0	0	467.1	444	220	229	64	21	0	3	1,980	18	10.21	3.14	3.25	1.23	26.8	8.2	1.30	.316	4.41	103	3.87	93	8.55	14.7
16	Brady Singer B. Singer	163	93	31	36	.463	93	4.39	466	0	0	0	509.0	507	248	259	61	32	0	0	2,180	8	8.24	2.88	2.86	1.08	21.4	7.5	1.32	.306	4.58	100	4.05	96	8.96	10.8
17	José Berríos J. Berríos	162	95	36	28	.563	94	3.79	475	1	0	0	548.0	501	231	247	82	29	0	6	2,266	6	7.80	2.66	2.93	1.35	21.0	7.1	1.21	.276	4.06	93	4.44	106	8.23	-15.8
18	Patrick Corbin P. Corbin	162	95	23	39	.371	94	5.10	394	1	0	0	510.0	579	289	306	79	10	1	2	2,217	15	6.95	2.86	2.43	1.39	17.8	7.3	1.45	.318	5.40	122	4.66	109	10.22	-22.4
19	Kevin Gausman K. Gausman	161	94	36	31	.537	94	3.53	588	3	2	0	559.0	483	219	237	60	8	0	2	2,294	7	9.47	2.59	3.65	0.97	25.6	7.0	1.15	.286	3.82	87	3.38	81	7.78	49.9
20	David Peterson D. Peterson	161	78	22	17	.564	72	4.04	379	2	1	0	400.2	400	180	192	35	20	0	1	1,725	13	8.51	3.62	2.35	0.79	22.0	9.3	1.40	.323	4.31	99	3.77	91	8.99	16.2
21	Carlos Rodón C. Rodón	158	79	37	26	.587	79	4.00	462	0	0	0	434.2	354	193	206	68	23	0	0	1,811	16	9.57	3.27	2.92	1.41	25.5	8.7	1.18	.260	4.27	97	4.32	101	7.33	-1.3
22	Mitch Keller M. Keller	156	95	30	36	.455	95	4.22	526	2	1	0	548.2	540	257	278	69	37	0	0	2,347	11	8.63	2.56	3.37	1.13	22.4	6.6	1.27	.302	4.56	97	3.95	94	8.86	14.6
23	Gavin Williams G. Williams	152	63	18	20	.474	63	3.54	333	0	0	0	325.2	268	128	136	38	10	0	1	1,381	14	9.20	4.20	2.19	1.05	24.1	11.0	1.29	.271	3.76	87	4.13	100	7.41	0.1
24	Dean Kremer D. Kremer	151	87	32	25	.561	85	4.14	422	0	0	0	474.0	444	218	240	67	10	0	0	1,996	15	8.01	2.87	2.79	1.27	21.1	7.6	1.26	.280	4.56	102	4.26	104	8.43	-8.6
25	Logan Allen L. Allen	151	74	23	24	.489	73	4.48	320	0	0	0	379.1	397	189	202	56	11	0	1	1,645	9	7.59	3.58	2.12	1.33	19.5	9.2	1.44	.308	4.79	110	4.69	113	9.42	-23.4