Isaac Collins had the most walks by a rookie switch-hitter in 2025, with 57 bases on balls.

Interpreted as:

most walks by a rookie switch hitter this regular season

	NAME	BB	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Isaac Collins I. Collins	57	2025	MIL	130	372	56	98	22	3	9	54	6	93	16	7	441	153	34	3	3	0	8	.263	.368	.411	.779	63	11.2	.344	121	11.1
2	Jasson Domínguez J. Domínguez	41	2025	NYY	123	381	58	98	18	1	10	47	3	115	23	5	429	148	29	0	4	1	5	.257	.331	.388	.719	52	1	.316	102	1.1
3	Edgar Quero E. Quero	32	2025	CWS	111	365	31	98	17	0	5	36	4	71	0	1	403	130	22	0	2	0	8	.268	.333	.356	.689	46	-2.1	.307	95	-2.5
4	Brooks Baldwin B. Baldwin	21	2025	CWS	103	300	32	72	15	1	11	38	1	86	5	0	328	122	27	4	2	0	9	.240	.290	.407	.697	36	-3	.302	91	-3.3
5	Leo Rivas L. Rivas	20	2025	SEA	48	90	19	22	2	0	2	9	1	24	6	0	111	30	4	0	0	0	1	.244	.387	.333	.721	15	1.8	.333	120	2.7
6	Jake Mangum J. Mangum	19	2025	TBR	118	405	37	120	18	1	3	40	2	64	27	6	428	149	22	1	1	0	4	.296	.330	.368	.698	49	-1.9	.307	100	0.2
7	Ronny Mauricio R. Mauricio	15	2025	NYM	61	168	19	38	6	0	6	10	1	54	4	0	184	62	12	0	0	1	5	.226	.293	.369	.663	18	-3.4	.290	88	-2.6
8	Alex Freeland A. Freeland	11	2025	LAD	29	84	10	16	2	1	2	6	1	35	1	0	97	26	5	1	0	0	3	.190	.292	.310	.601	8	-3.2	.273	74	-3
9	Adael Amador A. Amador	11	2025	COL	41	113	5	20	7	0	1	10	1	27	1	1	128	30	8	3	0	0	2	.177	.256	.265	.521	7	-7.8	.238	35	-9.8
10	Mickey Gasper M. Gasper	10	2025	MIN	45	95	15	15	1	0	2	11	3	20	2	0	110	22	3	1	1	0	1	.158	.257	.232	.488	6	-7.5	.229	43	-7.4
11	Rafael Marchán R. Marchán	10	2025	PHI	42	105	9	22	4	0	2	13	1	17	0	0	118	32	6	1	1	0	1	.210	.282	.305	.587	9	-4.7	.264	66	-4.8
12	Jonatan Clase J. Clase	10	2025	TOR	34	100	10	21	3	0	2	9	1	28	3	1	112	30	5	1	0	0	1	.210	.288	.300	.588	9	-4.2	.267	69	-4.1
13	Nasim Nuñez N. Nuñez	8	2025	WSH	39	82	13	19	2	0	4	13	0	20	9	1	92	33	6	1	1	0	1	.232	.297	.402	.699	10	-0.7	.304	94	-0.6
14	Ronny Simon R. Simon	8	2025	TOT	27	77	10	18	3	0	0	7	0	15	1	0	88	21	3	1	2	0	1	.234	.299	.273	.572	7	-3.9	.259	61	-4.1
15	Nick Sogard N. Sogard	5	2025	BOS	30	96	13	25	8	0	0	9	3	24	2	1	104	33	8	0	0	0	3	.260	.317	.344	.661	11	-1.6	.295	82	-2.3
16	Gustavo Campero G. Campero	5	2025	LAA	28	58	9	10	1	0	3	8	3	14	4	1	66	20	4	0	0	0	2	.172	.273	.345	.618	6	-1.9	.277	73	-2.1
17	Drew Millas D. Millas	4	2025	WSH	18	49	6	15	5	1	0	7	0	7	2	0	54	22	6	1	0	0	0	.306	.358	.449	.807	8	1.6	.350	126	1.7
18	Logan Davidson L. Davidson	3	2025	TOT	19	42	3	7	2	0	1	4	0	22	0	0	47	12	3	2	0	0	1	.167	.222	.286	.508	2	-3.3	.225	39	-3.4
19	Jorge Barrosa J. Barrosa	2	2025	AZ	33	71	8	10	3	0	1	7	1	22	0	0	77	16	4	0	3	0	1	.141	.169	.225	.394	0	-8.9	.171	2	-9
20	Steward Berroa S. Berroa	1	2025	MIL	2	5	0	0	0	0	0	0	0	2	1	0	6	0	0	0	0	0	0	.000	.167	.000	.167	0	-1	.115	-36	-1