Carlos Santana has the most career walks by an active player, with 1,307 bases on balls.

	NAME	BB	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	Carlos Santana C. Santana	1,307	2,131	7,577	1,086	1,834	398	17	330	1,110	43	1,486	60	18	8,992	3,256	745	0	65	66	183	.242	.354	.430	.784	1239	190.7	.341	116	166
2	Andrew McCutchen A. McCutchen	1,142	2,176	8,035	1,254	2,193	437	50	322	1,110	94	1,809	220	89	9,347	3,696	809	3	73	70	139	.273	.367	.460	.827	1402	316.9	.358	127	294.2
3	Bryce Harper B. Harper	1,068	1,707	6,136	1,112	1,724	382	24	344	1,009	49	1,575	148	50	7,325	3,186	750	13	59	133	136	.281	.389	.519	.908	1268	408.8	.383	142	370.6
4	Paul Goldschmidt P. Goldschmidt	1,068	1,983	7,321	1,241	2,126	459	24	367	1,214	51	1,914	173	35	8,496	3,734	850	0	56	119	170	.290	.382	.510	.892	1437	442.4	.379	139	398.6
5	Freddie Freeman F. Freeman	1,030	2,077	7,725	1,328	2,327	522	32	352	1,268	109	1,671	98	31	8,928	3,969	906	0	64	139	164	.301	.388	.514	.902	1538	496.8	.383	143	463.5
6	Mike Trout M. Trout	992	1,547	5,616	1,137	1,667	312	55	387	972	101	1,520	214	38	6,766	3,250	754	0	57	122	69	.297	.408	.579	.987	1326	541.2	.413	168	543.7
7	Juan Soto J. Soto	811	991	3,481	689	979	189	15	209	617	16	738	64	23	4,334	1,825	413	2	24	70	94	.281	.417	.524	.941	821	303	.399	155	294.2
8	Christian Yelich C. Yelich	794	1,520	5,739	973	1,633	311	35	214	782	47	1,442	215	38	6,612	2,656	560	5	27	56	121	.285	.374	.463	.837	1026	249.4	.361	128	231.8
9	Giancarlo Stanton G. Stanton	776	1,649	6,025	907	1,551	305	11	429	1,103	53	1,963	42	15	6,893	3,165	745	0	39	88	153	.257	.345	.525	.871	1093	294.9	.368	135	288.9
10	Aaron Judge A. Judge	731	1,048	3,771	787	1,107	187	7	333	763	35	1,263	57	18	4,564	2,307	527	0	27	80	106	.294	.410	.612	1.022	954	409	.424	177	413.3
11	Jason Heyward J. Heyward	706	1,824	6,174	879	1,575	306	41	186	730	62	1,238	125	43	6,982	2,521	533	6	34	27	104	.255	.336	.408	.744	866	54.2	.326	104	29.7
12	Mookie Betts M. Betts	701	1,434	5,699	1,113	1,667	376	40	279	862	50	878	193	39	6,507	2,960	695	4	53	33	75	.293	.372	.519	.891	1107	334.9	.378	139	306
13	Kyle Schwarber K. Schwarber	698	1,184	4,138	731	955	157	13	303	693	43	1,386	31	18	4,904	2,047	473	1	24	43	50	.231	.346	.495	.841	753	167.3	.357	125	147.6
14	George Springer G. Springer	636	1,356	5,216	900	1,365	234	23	266	730	79	1,251	109	40	5,964	2,443	523	2	31	12	114	.262	.349	.468	.817	886	179.9	.352	126	190.1
15	Manny Machado M. Machado	631	1,789	7,010	1,029	1,963	379	18	348	1,074	27	1,338	106	40	7,742	3,422	745	14	60	69	215	.280	.339	.488	.827	1135	226.2	.351	123	217.5
16	José Ramírez J. Ramírez	617	1,504	5,578	932	1,564	377	41	264	891	39	753	257	59	6,309	2,815	682	19	56	91	78	.280	.353	.505	.858	983	234.4	.361	130	227
17	Jose Altuve J. Altuve	616	1,874	7,503	1,183	2,288	437	31	237	833	76	1,069	319	93	8,270	3,498	705	26	49	47	200	.305	.361	.466	.828	1243	280.2	.356	129	285.4
18	Eugenio Suárez E. Suárez	605	1,527	5,432	774	1,345	244	15	291	872	94	1,673	33	19	6,199	2,492	550	9	59	15	122	.248	.330	.459	.789	854	117.7	.338	112	89.1
19	Marcus Semien M. Semien	603	1,558	6,091	919	1,539	308	35	241	757	24	1,260	131	40	6,761	2,640	584	7	36	8	98	.253	.321	.433	.754	859	58.6	.325	107	62.4
20	Alex Bregman A. Bregman	598	1,162	4,354	726	1,191	282	18	202	698	64	688	43	15	5,058	2,115	502	1	41	15	111	.274	.366	.486	.852	812	206.4	.365	136	216.4
21	Justin Turner J. Turner	583	1,710	5,616	803	1,596	349	9	199	825	136	992	46	13	6,402	2,560	557	5	62	18	144	.284	.362	.456	.818	955	201.7	.354	125	199.4
22	Max Muncy M. Muncy	570	972	3,146	558	714	143	9	199	561	47	936	16	4	3,795	1,472	351	0	32	23	35	.227	.351	.468	.819	567	112.6	.351	123	110.8
23	Xander Bogaerts X. Bogaerts	570	1,584	6,043	908	1,739	363	18	189	806	55	1,217	117	22	6,732	2,705	570	5	59	23	153	.288	.351	.448	.799	957	162.7	.344	115	125.4
24	Nolan Arenado N. Arenado	568	1,731	6,603	968	1,873	397	34	347	1,158	42	1,071	29	23	7,295	3,379	778	5	77	79	197	.284	.341	.512	.852	1117	260.2	.358	117	155.2
25	DJ LeMahieu	564	1,640	6,042	885	1,745	275	39	125	654	31	1,023	93	49	6,721	2,473	439	37	47	24	186	.289	.350	.409	.759	876	86.1	.331	100	3.6