DJ LeMahieu had the most bases on balls by a second baseman in 2021, with 73 bases on balls.

	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	DJ LeMahieu	73	2021	NYY	150	597	84	160	24	1	10	57	4	94	4	2	679	216	35	0	5	2	16	.268	.349	.362	.711	83	0.4	.315	101	1.1
2	Jonathan India J. India	71	2021	CIN	150	532	98	143	34	2	21	69	23	141	12	3	631	244	57	1	4	1	13	.269	.376	.459	.835	102	25.2	.363	122	17.4
3	Brandon Lowe B. Lowe	68	2021	TBR	149	535	97	132	31	0	39	99	9	167	7	1	615	280	70	0	3	4	2	.247	.340	.523	.863	99	24.9	.363	137	27.8
4	Jose Altuve J. Altuve	66	2021	HOU	146	601	117	167	32	1	31	83	4	91	5	3	678	294	64	1	6	3	9	.278	.350	.489	.839	106	23.8	.357	129	23.7
5	Marcus Semien M. Semien	66	2021	TOR	162	652	115	173	39	2	45	102	3	146	15	1	724	351	86	0	3	0	9	.265	.334	.538	.873	120	31.9	.368	131	27.4
6	Cesar Hernandez C. Hernandez	59	2021	TOT	149	570	84	132	21	2	21	62	5	135	1	1	637	220	44	0	3	2	11	.232	.308	.386	.694	71	-6.6	.302	91	-6.7
7	Josh Rojas J. Rojas	58	2021	ARI	139	484	69	128	32	3	11	44	0	137	9	4	546	199	46	1	3	1	7	.264	.341	.411	.752	72	5.8	.327	103	2.4
8	Jake Cronenworth J. Cronenworth	55	2021	SDP	152	567	94	151	33	7	21	71	10	90	4	3	638	261	61	3	3	6	8	.266	.340	.460	.800	91	13.9	.341	118	14.5
9	Tony Kemp T. Kemp	52	2021	OAK	131	330	54	92	16	3	8	37	6	51	8	2	397	138	27	4	5	0	2	.279	.382	.418	.800	60	12.1	.351	129	14
10	Jed Lowrie J. Lowrie	49	2021	OAK	139	457	55	112	28	0	14	69	2	108	0	0	512	182	42	0	4	1	8	.245	.318	.398	.717	61	-1.4	.311	102	1
11	Adam Frazier A. Frazier	48	2021	TOT	155	577	83	176	36	5	5	43	10	69	10	5	639	237	46	3	1	2	10	.305	.368	.411	.779	91	13.7	.341	113	10.7
12	Ozzie Albies O. Albies	47	2021	ATL	156	629	103	163	40	7	30	106	3	128	20	4	686	307	77	0	7	2	4	.259	.310	.488	.799	95	12.2	.336	108	7
13	Jorge Polanco J. Polanco	45	2021	MIN	152	588	97	158	35	2	33	98	5	118	11	6	644	296	70	0	6	0	4	.269	.323	.503	.826	97	18.5	.349	123	18.4
14	Leury Garcia L. Garcia	41	2021	CWS	126	415	60	111	22	4	5	54	4	97	6	2	474	156	31	9	5	0	12	.267	.335	.376	.711	57	-0.9	.312	96	-2.1
15	Whit Merrifield W. Merrifield	40	2021	KCR	162	664	97	184	42	3	10	74	4	103	40	4	720	262	55	0	12	1	12	.277	.317	.395	.711	82	-4.9	.306	89	-9.4
16	Dylan Moore D. Moore	40	2021	SEA	126	332	42	60	11	2	12	43	4	111	21	5	377	111	25	0	1	0	6	.181	.276	.334	.610	32	-13.5	.271	74	-12.2
17	Jean Segura J. Segura	39	2021	PHI	131	514	76	149	27	3	14	58	9	78	9	3	567	224	44	1	4	3	16	.290	.348	.436	.784	79	10.8	.338	110	7.3
18	Jace Peterson J. Peterson	38	2021	MIL	94	259	36	64	11	1	6	31	3	68	10	1	302	95	18	0	2	0	1	.247	.348	.367	.714	38	1	.318	98	-0.9
19	Tommy Edman T. Edman	38	2021	STL	159	641	91	168	41	3	11	56	6	95	30	5	691	248	55	2	4	1	4	.262	.308	.387	.695	76	-7.8	.301	89	-9.6
20	Matt Carpenter M. Carpenter	35	2021	STL	130	207	18	35	11	1	3	21	6	77	2	0	249	57	15	0	1	1	1	.169	.305	.275	.581	21	-9.4	.269	68	-10
21	Nick Solak N. Solak	34	2021	TEX	127	458	57	111	18	2	11	49	15	107	7	5	511	166	31	2	2	0	11	.242	.314	.362	.677	55	-6.5	.299	87	-8.4
22	Jazz Chisholm Jr. J. Chisholm Jr.	34	2021	MIA	124	464	70	115	20	4	18	53	4	145	23	8	507	197	42	2	3	0	3	.248	.303	.425	.728	61	-0.8	.312	94	-4
23	Josh VanMeter J. VanMeter	33	2021	ARI	112	274	26	58	17	2	6	36	1	83	3	2	310	97	25	0	2	0	5	.212	.297	.354	.651	30	-7.1	.287	77	-9.1
24	David Fletcher D. Fletcher	31	2021	LAA	157	626	74	164	27	3	2	47	1	60	15	3	665	203	32	6	1	1	10	.262	.297	.324	.622	58	-22.7	.273	69	-25.2
25	Josh Harrison J. Harrison	31	2021	TOT	138	505	58	141	33	2	8	60	18	75	9	5	557	202	43	0	3	0	9	.279	.341	.400	.741	72	4.6	.325	104	3.3