Since 2015, Jackson Williams has the most walks per strikeout, with 4.

Interpreted as:

MLB highest bb/k by a player since 2015

	NAME	BB/SO	BB	SO	G	AB	R	H	2B	3B	HR	RBI	HBP	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Jackson Williams J. Williams	4	4	1	7	10	1	2	1	0	0	1	0	1	0	14	3	1	0	0	0	0	.200	.429	.300	.729	2	0.4	.349	125	0.4
2	Gosuke Katoh G. Katoh	3	3	1	8	7	2	1	1	0	0	0	0	0	0	11	2	1	1	0	0	0	.143	.400	.286	.686	1	0.2	.333	119	0.2
3	Kenedy Corona K. Corona	2	2	1	3	2	0	0	0	0	0	0	0	0	0	4	0	0	0	0	0	0	.000	.500	.000	.500	1	0.1	.346	124	0.1
4	Mario Feliciano M. Feliciano	2	2	1	3	4	1	1	0	0	0	0	0	0	0	6	1	0	0	0	0	0	.250	.500	.250	.750	1	0.3	.377	141	0.3
5	Zack Granite Z. Granite	1.33	12	9	40	93	14	22	2	0	1	13	0	2	2	107	27	3	1	1	0	6	.237	.321	.290	.611	9	-3.9	.278	68	-4.2
6	Juan Soto J. Soto	1.08	896	833	1,096	3,857	775	1,086	199	16	244	697	19	95	27	4,801	2,049	459	3	26	80	101	.282	.417	.531	.948	919	344.3	.402	158	338.1
7	Luis Arraez L. Arraez	1.07	230	215	840	3,244	436	1,028	169	18	36	308	20	31	17	3,533	1,341	223	15	24	18	67	.317	.363	.413	.777	491	69	.338	117	70.9
8	Petey Halpin P. Halpin	1	2	2	6	6	5	2	0	0	0	0	0	0	0	8	2	0	0	0	0	0	.333	.500	.333	.833	1	0.5	.393	157	0.5
9	Victor Mesa Jr. V. Mesa Jr.	1	5	5	16	32	7	6	2	0	1	6	0	0	0	38	11	3	1	0	0	0	.188	.297	.344	.641	4	-0.8	.288	80	-0.9
10	Tirso Ornelas T. Ornelas	1	2	2	7	14	0	1	0	0	0	1	0	0	0	16	1	0	0	0	0	1	.071	.188	.071	.259	0	-2.2	.142	-14	-2.2
11	Donny Sands D. Sands	1	1	1	3	3	0	0	0	0	0	0	0	0	0	4	0	0	0	0	0	1	.000	.250	.000	.250	0	-0.4	.172	4	-0.4
12	Nate Mondou N. Mondou	1	1	1	1	2	0	0	0	0	0	0	0	0	0	3	0	0	0	0	0	0	.000	.333	.000	.333	0	-0.2	.230	50	-0.2
13	Erick Castillo E. Castillo	1	1	1	4	8	0	2	0	0	0	0	0	0	0	9	2	0	0	0	0	0	.250	.333	.250	.583	1	-0.3	.272	69	-0.4
14	Corey Ray C. Ray	1	1	1	1	2	1	0	0	0	0	0	0	0	0	3	0	0	0	0	0	0	.000	.333	.000	.333	0	-0.2	.231	41	-0.2
15	Reid Detmers R. Detmers	1	1	1	1	1	0	0	0	0	0	0	0	0	0	2	0	0	0	0	0	0	.000	.500	.000	.500	0	0.1	.346	118	0
16	Elliot Soto E. Soto	1	1	1	3	6	2	2	1	0	0	0	0	0	0	7	3	1	0	0	0	0	.333	.429	.500	.929	1	0.5	.403	157	0.5
17	Clarke Schmidt C. Schmidt	1	1	1	2	1	0	0	0	0	0	0	0	0	0	2	0	0	0	0	0	0	.000	.500	.000	.500	0	0.1	.346	122	0.1
18	Casey Mize C. Mize	1	1	1	2	2	0	0	0	0	0	1	0	0	0	3	0	0	0	0	0	0	.000	.333	.000	.333	0	-0.2	.231	42	-0.2
19	Kevin Kaczmarski K. Kaczmarski	1	1	1	4	4	0	0	0	0	0	0	0	0	1	5	0	0	0	0	0	0	.000	.200	.000	.200	0	-0.7	.138	-18	-0.7
20	O'Koyea Dickson O. Dickson	1	2	2	7	7	0	1	0	0	0	0	0	0	0	9	1	0	0	0	1	0	.143	.333	.143	.476	0	-0.9	.196	17	-1
21	Danny Ortiz D. Ortiz	1	1	1	9	12	1	1	0	0	0	0	0	0	0	13	1	0	0	0	0	0	.083	.154	.083	.237	-1	-2.2	.121	-35	-2.3
22	Andy Burns A. Burns	1	3	3	19	17	4	3	1	0	0	0	2	0	0	22	4	1	0	0	0	1	.176	.364	.235	.599	2	-0.3	.296	83	-0.4
23	Jordan Patterson J. Patterson	1	1	1	10	18	1	8	1	0	0	2	0	0	1	19	9	1	0	0	0	0	.444	.474	.500	.974	4	1.7	.425	152	1.2
24	Edubray Ramos E. Ramos	1	1	1	162	1	0	0	0	0	0	0	0	0	0	2	0	0	0	0	0	0	.000	.500	.000	.500	0	0	.345	115	0
25	Jose Alvarez J. Alvarez	1	2	2	138	3	1	0	0	0	0	0	0	0	0	6	0	0	1	0	0	0	.000	.400	.000	.400	1	-0.1	.277	80	-0.1