american league bb all-time single season leader

Babe Ruth has the most walks in the AL in a season, with 170 bases on balls in 1923.

	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	Babe Ruth B. Ruth	170	1923	NYY	152	522	151	205	45	13	41	130	4	93	17	21	699	399	99	3				.393	.545	.764	1.309	211	124.7	.571	230	120.4
2	Ted Williams T. Williams	162	1949	BSA	155	566	150	194	39	3	43	159	2	48	1	1	730	368	85	0			22	.343	.490	.650	1.141	182	95.5	.511	187	82.2
3	Ted Williams T. Williams	162	1947	BSA	156	528	125	181	40	9	32	114	2	47	0	1	693	335	81	1			10	.343	.499	.634	1.133	170	91.3	.508	207	86.2
4	Ted Williams T. Williams	156	1946	BSA	150	514	142	176	37	8	38	123	2	44	0	0	672	343	83	0			12	.342	.497	.667	1.164	166	95.8	.525	214	87.5
5	Eddie Yost E. Yost	151	1956	WSH	152	515	94	119	17	2	11	53	8	82	8	5	684	173	30	9	1	9	8	.231	.412	.336	.748	95	15.5	.354	109	7.8
6	Babe Ruth B. Ruth	150	1920	NYY	142	458	158	172	36	9	54	135	3	80	14	14	616	388	99	5				.376	.532	.847	1.379	191	120.9	.597	237	110.5
7	Eddie Joost E. Joost	149	1949	PHA	144	525	128	138	25	3	23	81	4	80	2	1	682	238	51	4			6	.263	.429	.453	.883	120	39.3	.417	136	31.7
8	Ted Williams T. Williams	147	1941	BSA	143	456	135	185	33	3	37	120	3	27	2	4	606	335	73	0			10	.406	.553	.735	1.287	179	108.8	.568	221	96.9
9	Mickey Mantle M. Mantle	146	1957	NYY	144	474	121	173	28	6	34	94	0	75	16	3	623	315	68	0	3	23	5	.365	.512	.665	1.177	157	87.1	.498	217	86
10	Harmon Killebrew H. Killebrew	145	1969	MIN	162	555	106	153	20	2	49	140	5	84	8	2	709	324	71	0	4	20	16	.276	.427	.584	1.011	143	67.4	.441	173	59.9
11	Ted Williams T. Williams	145	1942	BSA	150	522	141	186	34	5	36	137	4	51	3	2	671	338	75	0			12	.356	.499	.648	1.147	168	96.2	.524	209	86.5
12	Babe Ruth B. Ruth	145	1921	NYY	152	540	177	204	44	16	59	168	4	81	17	13	693	457	119	4				.378	.512	.846	1.359	214	127.8	.575	224	118.7
13	Ted Williams T. Williams	144	1951	BSA	148	531	109	169	28	4	30	126	0	45	1	1	675	295	62	0			10	.318	.464	.556	1.019	146	66.5	.463	166	55.4
14	Babe Ruth B. Ruth	144	1926	NYY	152	495	139	184	30	5	47	153	3	76	11	9	652	365	82	10				.372	.516	.737	1.253	184	105.6	.551	216	100.6
15	Babe Ruth B. Ruth	142	1924	NYY	153	529	143	200	39	7	46	124	4	81	9	13	681	391	92	6				.378	.513	.739	1.252	193	109.2	.549	210	102
16	Eddie Yost E. Yost	141	1950	WSH	155	573	114	169	26	2	11	58	8	63	6	6	731	232	39	9			13	.295	.440	.405	.845	125	34.1	.403	125	25.4
17	Frank Thomas F. Thomas	138	1991	CWS	158	559	104	178	31	2	32	109	1	112	1	2	700	309	65	0	2	13	20	.318	.453	.553	1.006	146	66.8	.442	179	65.4
18	Jason Giambi J. Giambi	137	2000	OAK	152	510	108	170	29	1	43	137	9	96	2	0	664	330	73	0	8	6	9	.333	.476	.647	1.123	163	75.5	.471	182	74.3
19	Roy Cullenbine R. Cullenbine	137	1947	DET	142	464	82	104	18	1	24	78	0	51	3	2	607	196	43	6			10	.224	.401	.422	.823	95	25.9	.391	131	22.1
20	Babe Ruth B. Ruth	137	1928	NYY	154	536	163	173	29	8	54	146	3	87	4	5	684	380	91	8				.323	.463	.709	1.172	174	90.6	.510	201	89.3
21	Babe Ruth B. Ruth	137	1927	NYY	151	540	158	192	29	8	60	165	0	89	7	6	691	417	97	14				.356	.486	.772	1.258	195	109.9	.545	212	104.8
22	Frank Thomas F. Thomas	136	1995	CWS	145	493	102	152	27	0	40	111	6	74	3	2	647	299	67	0	12	29	14	.308	.454	.606	1.061	139	58.3	.441	168	57.8
23	Ted Williams T. Williams	136	1954	BOS	117	386	93	133	23	1	29	89	1	32	0	0	526	245	53	0	3		10	.345	.513	.635	1.148	131	71.1	.507	207	65.5
24	Ferris Fain F. Fain	136	1949	PHA	150	525	81	138	21	5	3	78	0	51	8	1	672	178	29	11			15	.263	.415	.339	.754	95	15.2	.372	109	7.7
25	Babe Ruth B. Ruth	136	1930	NYY	145	518	150	186	28	9	49	153	1	61	10	10	676	379	86	21				.359	.493	.732	1.225	192	97	.517	204	100.6